479973709 has 4 divisors (see below), whose sum is σ = 482033916. Its totient is φ = 477913504.

The previous prime is 479973679. The next prime is 479973719. The reversal of 479973709 is 907379974.

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 42536484 + 437437225 = 6522^2 + 20915^2 .

It is a cyclic number.

It is not a de Polignac number, because 479973709 - 2⁵ = 479973677 is a prime.

It is a super-2 number, since 2×479973709² = 460749522662433362, which contains 22 as substring.

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 479973709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479973719) 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, 1029754 + ... + 1030219.

It is an arithmetic number, because the mean of its divisors is an integer number (120508479).

Almost surely, 2^479973709 is an apocalyptic number.

It is an amenable number.

479973709 is a deficient number, since it is larger than the sum of its proper divisors (2060207).

479973709 is a wasteful number, since it uses less digits than its factorization.

479973709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060206.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The square root of 479973709 is about 21908.3022847504. The cubic root of 479973709 is about 782.9592327248.

The spelling of 479973709 in words is "four hundred seventy-nine million, nine hundred seventy-three thousand, seven hundred nine".