72519378 has 16 divisors (see below), whose sum is σ = 147497760. Its totient is φ = 23763296.

The previous prime is 72519361. The next prime is 72519383. The reversal of 72519378 is 87391527.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102075 + ... + 102782.

It is an arithmetic number, because the mean of its divisors is an integer number (9218610).

Almost surely, 2^72519378 is an apocalyptic number.

72519378 is an abundant number, since it is smaller than the sum of its proper divisors (74978382).

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

72519378 is a wasteful number, since it uses less digits than its factorization.

72519378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204921.

The product of its digits is 105840, while the sum is 42.

The square root of 72519378 is about 8515.8310222784. The cubic root of 72519378 is about 417.0146927636.

The spelling of 72519378 in words is "seventy-two million, five hundred nineteen thousand, three hundred seventy-eight".