78536832 has 64 divisors (see below), whose sum is σ = 227590560. Its totient is φ = 23797760.

The previous prime is 78536827. The next prime is 78536833. The reversal of 78536832 is 23863587.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (78536833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5073 + ... + 13520.

Almost surely, 2^78536832 is an apocalyptic number.

It is an amenable number.

78536832 is an abundant number, since it is smaller than the sum of its proper divisors (149053728).

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

78536832 is a wasteful number, since it uses less digits than its factorization.

78536832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621 (or 18609 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 78536832 is about 8862.1008795883. The cubic root of 78536832 is about 428.2438416028.

The spelling of 78536832 in words is "seventy-eight million, five hundred thirty-six thousand, eight hundred thirty-two".