78570368 has 32 divisors (see below), whose sum is σ = 161584320. Its totient is φ = 38016000.

The previous prime is 78570353. The next prime is 78570383. The reversal of 78570368 is 86307587.

It is an interprime number because it is at equal distance from previous prime (78570353) and next prime (78570383).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (5049510).

Almost surely, 2^78570368 is an apocalyptic number.

It is an amenable number.

78570368 is an abundant number, since it is smaller than the sum of its proper divisors (83013952).

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

78570368 is a wasteful number, since it uses less digits than its factorization.

78570368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19846 (or 19834 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78570368 is about 8863.9927797805. The cubic root of 78570368 is about 428.3047877067.

The spelling of 78570368 in words is "seventy-eight million, five hundred seventy thousand, three hundred sixty-eight".