1072664031 has 4 divisors (see below), whose sum is σ = 1430218712. Its totient is φ = 715109352.

The previous prime is 1072664023. The next prime is 1072664039. The reversal of 1072664031 is 1304662701.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1072664023) and next prime (1072664039).

It is not a de Polignac number, because 1072664031 - 2³ = 1072664023 is a prime.

It is a super-2 number, since 2×1072664031² = 2301216246802337922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072664031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072664039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178777336 + ... + 178777341.

It is an arithmetic number, because the mean of its divisors is an integer number (357554678).

Almost surely, 2^1072664031 is an apocalyptic number.

1072664031 is a deficient number, since it is larger than the sum of its proper divisors (357554681).

1072664031 is an equidigital number, since it uses as much as digits as its factorization.

1072664031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357554680.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1072664031 is about 32751.5500549211. The cubic root of 1072664031 is about 1023.6572641306.

The spelling of 1072664031 in words is "one billion, seventy-two million, six hundred sixty-four thousand, thirty-one".