73376520 has 96 divisors (see below), whose sum is σ = 256089600. Its totient is φ = 16770432.

The previous prime is 73376519. The next prime is 73376521. The reversal of 73376520 is 2567337.

It is an interprime number because it is at equal distance from previous prime (73376519) and next prime (73376521).

It is a super-2 number, since 2×73376520² = 10768227374620800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73376521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^73376520 is an apocalyptic number.

73376520 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73376520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128044800).

73376520 is an abundant number, since it is smaller than the sum of its proper divisors (182713080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73376520 is a wasteful number, since it uses less digits than its factorization.

73376520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 73376520 is about 8566.0095727240. The cubic root of 73376520 is about 418.6512288022.

The spelling of 73376520 in words is "seventy-three million, three hundred seventy-six thousand, five hundred twenty".