3690044731 has 32 divisors (see below), whose sum is σ = 4005421056. Its totient is φ = 3392928000.

The previous prime is 3690044723. The next prime is 3690044741. The reversal of 3690044731 is 1374400963.

It is a cyclic number.

It is not a de Polignac number, because 3690044731 - 2³ = 3690044723 is a prime.

It is a super-2 number, since 2×3690044731² = 27232860233561724722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3690044741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9294625 + ... + 9295021.

It is an arithmetic number, because the mean of its divisors is an integer number (125169408).

Almost surely, 2^3690044731 is an apocalyptic number.

3690044731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3690044731 is a deficient number, since it is larger than the sum of its proper divisors (315376325).

3690044731 is a wasteful number, since it uses less digits than its factorization.

3690044731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 3690044731 is about 60745.7383772722. The cubic root of 3690044731 is about 1545.2919548948.

The spelling of 3690044731 in words is "three billion, six hundred ninety million, forty-four thousand, seven hundred thirty-one".