78032616 has 64 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 25072320.

The previous prime is 78032609. The next prime is 78032623. The reversal of 78032616 is 61623087.

It is an interprime number because it is at equal distance from previous prime (78032609) and next prime (78032623).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85201 + ... + 86111.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^78032616 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 78032616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101122560).

78032616 is an abundant number, since it is smaller than the sum of its proper divisors (124212504).

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

78032616 is a wasteful number, since it uses less digits than its factorization.

78032616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 78032616 is about 8833.6071907234. The cubic root of 78032616 is about 427.3254141595.

The spelling of 78032616 in words is "seventy-eight million, thirty-two thousand, six hundred sixteen".