79366540 has 48 divisors (see below), whose sum is σ = 192525984. Its totient is φ = 27161600.

The previous prime is 79366531. The next prime is 79366559. The reversal of 79366540 is 4566397.

It is a junction number, because it is equal to n+sod(n) for n = 79366493 and 79366502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6871 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (4010958).

Almost surely, 2^79366540 is an apocalyptic number.

It is an amenable number.

79366540 is an abundant number, since it is smaller than the sum of its proper divisors (113159444).

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

79366540 is a wasteful number, since it uses less digits than its factorization.

79366540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21258 (or 21256 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 79366540 is about 8908.7900413019. The cubic root of 79366540 is about 429.7466327831.

The spelling of 79366540 in words is "seventy-nine million, three hundred sixty-six thousand, five hundred forty".