78613932 has 12 divisors (see below), whose sum is σ = 183432536. Its totient is φ = 26204640.

The previous prime is 78613907. The next prime is 78613943. The reversal of 78613932 is 23931687.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275569 + ... + 3275592.

Almost surely, 2^78613932 is an apocalyptic number.

It is an amenable number.

78613932 is an abundant number, since it is smaller than the sum of its proper divisors (104818604).

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

78613932 is a wasteful number, since it uses less digits than its factorization.

78613932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551168 (or 6551166 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 78613932 is about 8866.4497968465. The cubic root of 78613932 is about 428.3839321426.

The spelling of 78613932 in words is "seventy-eight million, six hundred thirteen thousand, nine hundred thirty-two".