79954520 has 64 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 30808960.

The previous prime is 79954513. The next prime is 79954541. The reversal of 79954520 is 2545997.

It is a super-3 number, since 3×79954520³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133181 + ... + 133779.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^79954520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79954520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93312000).

79954520 is an abundant number, since it is smaller than the sum of its proper divisors (106669480).

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

79954520 is a wasteful number, since it uses less digits than its factorization.

79954520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 79954520 is about 8941.7291392661. The cubic root of 79954520 is about 430.8052694535.

The spelling of 79954520 in words is "seventy-nine million, nine hundred fifty-four thousand, five hundred twenty".