479791738 has 4 divisors (see below), whose sum is σ = 719687610. Its totient is φ = 239895868.

The previous prime is 479791729. The next prime is 479791769. The reversal of 479791738 is 837197974.

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., 448465329 + 31326409 = 21177^2 + 5597^2 .

It is a super-2 number, since 2×479791738² = 460400223706121288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119947933 + ... + 119947936.

Almost surely, 2^479791738 is an apocalyptic number.

479791738 is a deficient number, since it is larger than the sum of its proper divisors (239895872).

479791738 is a wasteful number, since it uses less digits than its factorization.

479791738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239895871.

The product of its digits is 2667168, while the sum is 55.

The square root of 479791738 is about 21904.1488764115. The cubic root of 479791738 is about 782.8602732185.

The spelling of 479791738 in words is "four hundred seventy-nine million, seven hundred ninety-one thousand, seven hundred thirty-eight".