79846973 has 4 divisors (see below), whose sum is σ = 80744220. Its totient is φ = 78949728.

The previous prime is 79846957. The next prime is 79846981. The reversal of 79846973 is 37964897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 60248644 = 4427^2 + 7762^2 .

It is a cyclic number.

It is not a de Polignac number, because 79846973 - 2⁴ = 79846957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79846073) 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, 448490 + ... + 448667.

It is an arithmetic number, because the mean of its divisors is an integer number (20186055).

Almost surely, 2^79846973 is an apocalyptic number.

It is an amenable number.

79846973 is a deficient number, since it is larger than the sum of its proper divisors (897247).

79846973 is an equidigital number, since it uses as much as digits as its factorization.

79846973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897246.

The product of its digits is 2286144, while the sum is 53.

The square root of 79846973 is about 8935.7133458947. The cubic root of 79846973 is about 430.6120237453.

The spelling of 79846973 in words is "seventy-nine million, eight hundred forty-six thousand, nine hundred seventy-three".