76172512 has 48 divisors (see below), whose sum is σ = 171016272. Its totient is φ = 33085440.

The previous prime is 76172497. The next prime is 76172513. The reversal of 76172512 is 21527167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76172513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (3562839).

Almost surely, 2^76172512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76172512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85508136).

76172512 is an abundant number, since it is smaller than the sum of its proper divisors (94843760).

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

76172512 is a wasteful number, since it uses less digits than its factorization.

76172512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811 (or 10803 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 76172512 is about 8727.6865204933. The cubic root of 76172512 is about 423.9026120223.

Adding to 76172512 its reverse (21527167), we get a palindrome (97699679).

The spelling of 76172512 in words is "seventy-six million, one hundred seventy-two thousand, five hundred twelve".