79072378 has 24 divisors (see below), whose sum is σ = 150518304. Its totient is φ = 30807000.

The previous prime is 79072373. The next prime is 79072397. The reversal of 79072378 is 87327097.

It is not an unprimeable number, because it can be changed into a prime (79072373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35598 + ... + 37753.

It is an arithmetic number, because the mean of its divisors is an integer number (6271596).

Almost surely, 2^79072378 is an apocalyptic number.

79072378 is a deficient number, since it is larger than the sum of its proper divisors (71445926).

79072378 is a wasteful number, since it uses less digits than its factorization.

79072378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73378 (or 73371 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 79072378 is about 8892.2650657749. The cubic root of 79072378 is about 429.2150417124.

The spelling of 79072378 in words is "seventy-nine million, seventy-two thousand, three hundred seventy-eight".