79670497 has 4 divisors (see below), whose sum is σ = 79724736. Its totient is φ = 79616260.

The previous prime is 79670489. The next prime is 79670519. The reversal of 79670497 is 79407697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79670497 - 2³ = 79670489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79670497.

It is not an unprimeable number, because it can be changed into a prime (79670407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24853 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (19931184).

Almost surely, 2^79670497 is an apocalyptic number.

It is an amenable number.

79670497 is a deficient number, since it is larger than the sum of its proper divisors (54239).

79670497 is a wasteful number, since it uses less digits than its factorization.

79670497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54238.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 79670497 is about 8925.8331263810. The cubic root of 79670497 is about 430.2945467044.

The spelling of 79670497 in words is "seventy-nine million, six hundred seventy thousand, four hundred ninety-seven".