78332572 has 24 divisors (see below), whose sum is σ = 143642016. Its totient is φ = 37306368.

The previous prime is 78332563. The next prime is 78332669. The reversal of 78332572 is 27523387.

It is a super-2 number, since 2×78332572² = 12271983672270368, which contains 22 as substring.

It is a congruent number.

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, 21988 + ... + 25300.

It is an arithmetic number, because the mean of its divisors is an integer number (5985084).

Almost surely, 2^78332572 is an apocalyptic number.

It is an amenable number.

78332572 is a deficient number, since it is larger than the sum of its proper divisors (65309444).

78332572 is a wasteful number, since it uses less digits than its factorization.

78332572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3595 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 78332572 is about 8850.5690212551. The cubic root of 78332572 is about 427.8722578568.

The spelling of 78332572 in words is "seventy-eight million, three hundred thirty-two thousand, five hundred seventy-two".