79018380 has 324 divisors, whose sum is σ = 305742528. Its totient is φ = 16450560.

The previous prime is 79018369. The next prime is 79018399. The reversal of 79018380 is 8381097.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2548965 + ... + 2548995.

Almost surely, 2^79018380 is an apocalyptic number.

79018380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79018380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152871264).

79018380 is an abundant number, since it is smaller than the sum of its proper divisors (226724148).

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

79018380 is a wasteful number, since it uses less digits than its factorization.

79018380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 79018380 is about 8889.2283129640. The cubic root of 79018380 is about 429.1173167666.

The spelling of 79018380 in words is "seventy-nine million, eighteen thousand, three hundred eighty".