79492251 has 8 divisors (see below), whose sum is σ = 108454720. Its totient is φ = 51762312.

The previous prime is 79492229. The next prime is 79492253. The reversal of 79492251 is 15229497.

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

It is not a de Polignac number, because 79492251 - 2⁹ = 79491739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79492253) 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, 307981 + ... + 308238.

It is an arithmetic number, because the mean of its divisors is an integer number (13556840).

Almost surely, 2^79492251 is an apocalyptic number.

79492251 is a deficient number, since it is larger than the sum of its proper divisors (28962469).

79492251 is a wasteful number, since it uses less digits than its factorization.

79492251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616265.

The product of its digits is 45360, while the sum is 39.

The square root of 79492251 is about 8915.8426971319. The cubic root of 79492251 is about 429.9734092084.

The spelling of 79492251 in words is "seventy-nine million, four hundred ninety-two thousand, two hundred fifty-one".