79491016 has 32 divisors (see below), whose sum is σ = 162946080. Its totient is φ = 36054400.

The previous prime is 79490989. The next prime is 79491017. The reversal of 79491016 is 61019497.

It is not an unprimeable number, because it can be changed into a prime (79491017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66375 + ... + 67561.

It is an arithmetic number, because the mean of its divisors is an integer number (5092065).

Almost surely, 2^79491016 is an apocalyptic number.

It is an amenable number.

79491016 is an abundant number, since it is smaller than the sum of its proper divisors (83455064).

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

79491016 is a wasteful number, since it uses less digits than its factorization.

79491016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 79491016 is about 8915.7734381264. The cubic root of 79491016 is about 429.9711824928.

The spelling of 79491016 in words is "seventy-nine million, four hundred ninety-one thousand, sixteen".