78568132 has 24 divisors (see below), whose sum is σ = 140767200. Its totient is φ = 38360256.

The previous prime is 78568121. The next prime is 78568151. The reversal of 78568132 is 23186587.

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, 28219 + ... + 30877.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2^78568132 is an apocalyptic number.

It is an amenable number.

78568132 is a deficient number, since it is larger than the sum of its proper divisors (62199068).

78568132 is a wasteful number, since it uses less digits than its factorization.

78568132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835 (or 2833 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 78568132 is about 8863.8666506215. The cubic root of 78568132 is about 428.3007246882.

The spelling of 78568132 in words is "seventy-eight million, five hundred sixty-eight thousand, one hundred thirty-two".