474399681 has 16 divisors (see below), whose sum is σ = 742433664. Its totient is φ = 263758464.

The previous prime is 474399649. The next prime is 474399689. The reversal of 474399681 is 186993474.

It is not a de Polignac number, because 474399681 - 2⁵ = 474399649 is a prime.

It is a super-2 number, since 2×474399681² = 450110114665803522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (474399689) by changing a digit.

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, 304500 + ... + 306053.

It is an arithmetic number, because the mean of its divisors is an integer number (46402104).

Almost surely, 2^474399681 is an apocalyptic number.

It is an amenable number.

474399681 is a deficient number, since it is larger than the sum of its proper divisors (268033983).

474399681 is a wasteful number, since it uses less digits than its factorization.

474399681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610600.

The product of its digits is 1306368, while the sum is 51.

The square root of 474399681 is about 21780.7181011095. The cubic root of 474399681 is about 779.9165377494.

The spelling of 474399681 in words is "four hundred seventy-four million, three hundred ninety-nine thousand, six hundred eighty-one".