79230690 has 256 divisors, whose sum is σ = 273162240. Its totient is φ = 15863040.

The previous prime is 79230689. The next prime is 79230691. The reversal of 79230690 is 9603297.

It is an interprime number because it is at equal distance from previous prime (79230689) and next prime (79230691).

It is a super-2 number, since 2×79230690² = 12555004475752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79230691) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 769179 + ... + 769281.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^79230690 is an apocalyptic number.

79230690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79230690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136581120).

79230690 is an abundant number, since it is smaller than the sum of its proper divisors (193931550).

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

79230690 is a wasteful number, since it uses less digits than its factorization.

79230690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 79230690 is about 8901.1622836571. The cubic root of 79230690 is about 429.5012967273.

The spelling of 79230690 in words is "seventy-nine million, two hundred thirty thousand, six hundred ninety".