78091032 has 32 divisors (see below), whose sum is σ = 196116480. Its totient is φ = 25911840.

The previous prime is 78091021. The next prime is 78091063. The reversal of 78091032 is 23019087.

It is a happy number.

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, 1944 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 2^78091032 is an apocalyptic number.

It is an amenable number.

78091032 is an abundant number, since it is smaller than the sum of its proper divisors (118025448).

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

78091032 is a wasteful number, since it uses less digits than its factorization.

78091032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 78091032 is about 8836.9130356703. The cubic root of 78091032 is about 427.4320209271.

The spelling of 78091032 in words is "seventy-eight million, ninety-one thousand, thirty-two".