78574232 has 32 divisors (see below), whose sum is σ = 161179200. Its totient is φ = 35613600.

The previous prime is 78574219. The next prime is 78574241. The reversal of 78574232 is 23247587.

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, 35807 + ... + 37937.

It is an arithmetic number, because the mean of its divisors is an integer number (5036850).

Almost surely, 2^78574232 is an apocalyptic number.

It is an amenable number.

78574232 is an abundant number, since it is smaller than the sum of its proper divisors (82604968).

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

78574232 is a wasteful number, since it uses less digits than its factorization.

78574232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2563 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 78574232 is about 8864.2107375671. The cubic root of 78574232 is about 428.3118087700.

The spelling of 78574232 in words is "seventy-eight million, five hundred seventy-four thousand, two hundred thirty-two".