78056460 has 72 divisors (see below), whose sum is σ = 245555856. Its totient is φ = 20813760.

The previous prime is 78056453. The next prime is 78056483. The reversal of 78056460 is 6465087.

It is a happy number.

78056460 is a `hidden beast` number, since 7 + 8 + 0 + 5 + 646 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3171 + ... + 12890.

It is an arithmetic number, because the mean of its divisors is an integer number (3410498).

Almost surely, 2^78056460 is an apocalyptic number.

It is an amenable number.

78056460 is an abundant number, since it is smaller than the sum of its proper divisors (167499396).

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

78056460 is a wasteful number, since it uses less digits than its factorization.

78056460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16085 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 78056460 is about 8834.9567061758. The cubic root of 78056460 is about 427.3689348908.

The spelling of 78056460 in words is "seventy-eight million, fifty-six thousand, four hundred sixty".