78474160 has 40 divisors (see below), whose sum is σ = 190389600. Its totient is φ = 30024192.

The previous prime is 78474139. The next prime is 78474163. The reversal of 78474160 is 6147487.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78474163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19485 + ... + 23164.

It is an arithmetic number, because the mean of its divisors is an integer number (4759740).

Almost surely, 2^78474160 is an apocalyptic number.

It is an amenable number.

78474160 is an abundant number, since it is smaller than the sum of its proper divisors (111915440).

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

78474160 is a wasteful number, since it uses less digits than its factorization.

78474160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42685 (or 42679 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 78474160 is about 8858.5642177500. The cubic root of 78474160 is about 428.1298991394.

The spelling of 78474160 in words is "seventy-eight million, four hundred seventy-four thousand, one hundred sixty".