474749665 has 16 divisors (see below), whose sum is σ = 622169856. Its totient is φ = 345643200.

The previous prime is 474749651. The next prime is 474749687. The reversal of 474749665 is 566947474.

It is not a de Polignac number, because 474749665 - 2¹⁵ = 474716897 is a prime.

It is a super-2 number, since 2×474749665² = 450774488835224450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46821 + ... + 56050.

It is an arithmetic number, because the mean of its divisors is an integer number (38885616).

Almost surely, 2^474749665 is an apocalyptic number.

It is an amenable number.

474749665 is a deficient number, since it is larger than the sum of its proper divisors (147420191).

474749665 is a wasteful number, since it uses less digits than its factorization.

474749665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102960.

The product of its digits is 5080320, while the sum is 52.

The square root of 474749665 is about 21788.7508820492. The cubic root of 474749665 is about 780.1082826879.

It can be divided in two parts, 4747 and 49665, that multiplied together give a triangular number (235759755 = T₂₁₇₁₄).

The spelling of 474749665 in words is "four hundred seventy-four million, seven hundred forty-nine thousand, six hundred sixty-five".