79000740 has 324 divisors, whose sum is σ = 307547604. Its totient is φ = 16353792.

The previous prime is 79000739. The next prime is 79000769. The reversal of 79000740 is 4700097.

It can be written as a sum of positive squares in 6 ways, for example, as 9144576 + 69856164 = 3024^2 + 8358^2 .

It is a super-2 number, since 2×79000740² = 12482233841095200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1490554 + ... + 1490606.

It is an arithmetic number, because the mean of its divisors is an integer number (949221).

Almost surely, 2^79000740 is an apocalyptic number.

79000740 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 79000740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153773802).

79000740 is an abundant number, since it is smaller than the sum of its proper divisors (228546864).

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

79000740 is a wasteful number, since it uses less digits than its factorization.

79000740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 79000740 is about 8888.2360454704. The cubic root of 79000740 is about 429.0853824545.

The spelling of 79000740 in words is "seventy-nine million, seven hundred forty", and thus it is an aban number.