79342057 has 8 divisors (see below), whose sum is σ = 82349640. Its totient is φ = 76352640.

The previous prime is 79342049. The next prime is 79342069. The reversal of 79342057 is 75024397.

It can be written as a sum of positive squares in 4 ways, for example, as 1125721 + 78216336 = 1061^2 + 8844^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79342057 - 2³ = 79342049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79342027) 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, 4707 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (10293705).

Almost surely, 2^79342057 is an apocalyptic number.

It is an amenable number.

79342057 is a deficient number, since it is larger than the sum of its proper divisors (3007583).

79342057 is a wasteful number, since it uses less digits than its factorization.

79342057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 79342057 is about 8907.4158429928. The cubic root of 79342057 is about 429.7024388071.

The spelling of 79342057 in words is "seventy-nine million, three hundred forty-two thousand, fifty-seven".