78004292 has 24 divisors (see below), whose sum is σ = 139003200. Its totient is φ = 38293920.

The previous prime is 78004271. The next prime is 78004301. The reversal of 78004292 is 29240087.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98723 + ... + 99509.

It is an arithmetic number, because the mean of its divisors is an integer number (5791800).

Almost surely, 2^78004292 is an apocalyptic number.

It is an amenable number.

78004292 is a deficient number, since it is larger than the sum of its proper divisors (60998908).

78004292 is a wasteful number, since it uses less digits than its factorization.

78004292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 78004292 is about 8832.0038496368. The cubic root of 78004292 is about 427.2737048855.

The spelling of 78004292 in words is "seventy-eight million, four thousand, two hundred ninety-two".