40474731 has 16 divisors (see below), whose sum is σ = 61971840. Its totient is φ = 23238720.

The previous prime is 40474717. The next prime is 40474741. The reversal of 40474731 is 13747404.

40474731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40474731 - 2⁵ = 40474699 is a prime.

It is a super-2 number, since 2×40474731² = 3276407699044722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40474741) 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, 31650 + ... + 32903.

It is an arithmetic number, because the mean of its divisors is an integer number (3873240).

Almost surely, 2^40474731 is an apocalyptic number.

40474731 is a deficient number, since it is larger than the sum of its proper divisors (21497109).

40474731 is a wasteful number, since it uses less digits than its factorization.

40474731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64586.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 40474731 is about 6361.9754007698. The cubic root of 40474731 is about 343.3428362175.

It can be divided in two parts, 4047 and 4731, that added together give a palindrome (8778).

The spelling of 40474731 in words is "forty million, four hundred seventy-four thousand, seven hundred thirty-one".