79427660 has 48 divisors (see below), whose sum is σ = 184034592. Its totient is φ = 28608000.

The previous prime is 79427653. The next prime is 79427669. The reversal of 79427660 is 6672497.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (79427669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6935 + ... + 14385.

It is an arithmetic number, because the mean of its divisors is an integer number (3834054).

Almost surely, 2^79427660 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 79427660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92017296).

79427660 is an abundant number, since it is smaller than the sum of its proper divisors (104606932).

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

79427660 is a wasteful number, since it uses less digits than its factorization.

79427660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514 (or 7512 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 79427660 is about 8912.2197010621. The cubic root of 79427660 is about 429.8569201266.

The spelling of 79427660 in words is "seventy-nine million, four hundred twenty-seven thousand, six hundred sixty".