78174960 has 40 divisors (see below), whose sum is σ = 242343120. Its totient is φ = 20846592.

The previous prime is 78174937. The next prime is 78174991. The reversal of 78174960 is 6947187.

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

It is a super-2 number, since 2×78174960² = 12222648742003200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 162625 + ... + 163104.

It is an arithmetic number, because the mean of its divisors is an integer number (6058578).

Almost surely, 2^78174960 is an apocalyptic number.

It is an amenable number.

78174960 is an abundant number, since it is smaller than the sum of its proper divisors (164168160).

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

78174960 is a wasteful number, since it uses less digits than its factorization.

78174960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325745 (or 325739 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 78174960 is about 8841.6604775347. The cubic root of 78174960 is about 427.5850930096.

The spelling of 78174960 in words is "seventy-eight million, one hundred seventy-four thousand, nine hundred sixty".