78966732 has 48 divisors (see below), whose sum is σ = 203807072. Its totient is φ = 23639040.

The previous prime is 78966709. The next prime is 78966733. The reversal of 78966732 is 23766987.

It is not an unprimeable number, because it can be changed into a prime (78966733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 12612.

Almost surely, 2^78966732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78966732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101903536).

78966732 is an abundant number, since it is smaller than the sum of its proper divisors (124840340).

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

78966732 is a wasteful number, since it uses less digits than its factorization.

78966732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738 (or 13736 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 78966732 is about 8886.3227490340. The cubic root of 78966732 is about 429.0238031576.

The spelling of 78966732 in words is "seventy-eight million, nine hundred sixty-six thousand, seven hundred thirty-two".