1040735731 has 8 divisors (see below), whose sum is σ = 1230426720. Its totient is φ = 861298368.

The previous prime is 1040735681. The next prime is 1040735737. The reversal of 1040735731 is 1375370401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040735731 - 2¹⁵ = 1040702963 is a prime.

It is a super-2 number, since 2×1040735731² = 2166261723560208722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040735693 and 1040735702.

It is not an unprimeable number, because it can be changed into a prime (1040735737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563186 + ... + 2563591.

It is an arithmetic number, because the mean of its divisors is an integer number (153803340).

Almost surely, 2^1040735731 is an apocalyptic number.

1040735731 is a deficient number, since it is larger than the sum of its proper divisors (189690989).

1040735731 is an equidigital number, since it uses as much as digits as its factorization.

1040735731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126813.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1040735731 is about 32260.4360013934. The cubic root of 1040735731 is about 1013.3982618566.

The spelling of 1040735731 in words is "one billion, forty million, seven hundred thirty-five thousand, seven hundred thirty-one".