79475580 has 192 divisors, whose sum is σ = 264499200. Its totient is φ = 20015424.

The previous prime is 79475551. The next prime is 79475621. The reversal of 79475580 is 8557497.

79475580 is a `hidden beast` number, since 7 + 94 + 7 + 558 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1005981 + ... + 1006059.

It is an arithmetic number, because the mean of its divisors is an integer number (1377600).

Almost surely, 2^79475580 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 79475580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132249600).

79475580 is an abundant number, since it is smaller than the sum of its proper divisors (185023620).

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

79475580 is a wasteful number, since it uses less digits than its factorization.

79475580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 79475580 is about 8914.9077392870. The cubic root of 79475580 is about 429.9433493063.

The spelling of 79475580 in words is "seventy-nine million, four hundred seventy-five thousand, five hundred eighty".