78102032 has 20 divisors (see below), whose sum is σ = 152329536. Its totient is φ = 38791200.

The previous prime is 78102023. The next prime is 78102047. The reversal of 78102032 is 23020187.

It is a junction number, because it is equal to n+sod(n) for n = 78101989 and 78102007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13748 + ... + 18579.

Almost surely, 2^78102032 is an apocalyptic number.

It is an amenable number.

78102032 is a deficient number, since it is larger than the sum of its proper divisors (74227504).

78102032 is a wasteful number, since it uses less digits than its factorization.

78102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32486 (or 32480 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 78102032 is about 8837.5354030408. The cubic root of 78102032 is about 427.4520895204.

The spelling of 78102032 in words is "seventy-eight million, one hundred two thousand, thirty-two".