79210990 has 16 divisors (see below), whose sum is σ = 150967152. Its totient is φ = 29820544.

The previous prime is 79210961. The next prime is 79210993. The reversal of 79210990 is 9901297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79210993) 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, 232804 + ... + 233143.

It is an arithmetic number, because the mean of its divisors is an integer number (9435447).

Almost surely, 2^79210990 is an apocalyptic number.

79210990 is a deficient number, since it is larger than the sum of its proper divisors (71756162).

79210990 is a wasteful number, since it uses less digits than its factorization.

79210990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465971.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 79210990 is about 8900.0556178037. The cubic root of 79210990 is about 429.4656965623.

It can be divided in two parts, 79210 and 990, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 79210990 in words is "seventy-nine million, two hundred ten thousand, nine hundred ninety".