79731346 has 4 divisors (see below), whose sum is σ = 119597022. Its totient is φ = 39865672.

The previous prime is 79731313. The next prime is 79731359. The reversal of 79731346 is 64313797.

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

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 5340721 = 8625^2 + 2311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 79731299 and 79731308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19932835 + ... + 19932838.

Almost surely, 2^79731346 is an apocalyptic number.

79731346 is a deficient number, since it is larger than the sum of its proper divisors (39865676).

79731346 is a wasteful number, since it uses less digits than its factorization.

79731346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39865675.

The product of its digits is 95256, while the sum is 40.

The square root of 79731346 is about 8929.2410651746. The cubic root of 79731346 is about 430.4040658316.

The spelling of 79731346 in words is "seventy-nine million, seven hundred thirty-one thousand, three hundred forty-six".