79622680 has 32 divisors (see below), whose sum is σ = 179690400. Its totient is φ = 31753216.

The previous prime is 79622677. The next prime is 79622681. The reversal of 79622680 is 8622697.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79622681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11301 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (5615325).

Almost surely, 2^79622680 is an apocalyptic number.

It is an amenable number.

79622680 is an abundant number, since it is smaller than the sum of its proper divisors (100067720).

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

79622680 is a wasteful number, since it uses less digits than its factorization.

79622680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 79622680 is about 8923.1541508594. The cubic root of 79622680 is about 430.2084440992.

The spelling of 79622680 in words is "seventy-nine million, six hundred twenty-two thousand, six hundred eighty".