813172675 has 48 divisors (see below), whose sum is σ = 1178496000. Its totient is φ = 545126400.

The previous prime is 813172667. The next prime is 813172729. The reversal of 813172675 is 576271318.

It is not a de Polignac number, because 813172675 - 2³ = 813172667 is a prime.

It is a super-2 number, since 2×813172675² = 1322499598733311250, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1810851 + ... + 1811299.

It is an arithmetic number, because the mean of its divisors is an integer number (24552000).

Almost surely, 2^813172675 is an apocalyptic number.

813172675 is a deficient number, since it is larger than the sum of its proper divisors (365323325).

813172675 is a wasteful number, since it uses less digits than its factorization.

813172675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 671 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 813172675 is about 28516.1826863274. The cubic root of 813172675 is about 933.3852327291.

The spelling of 813172675 in words is "eight hundred thirteen million, one hundred seventy-two thousand, six hundred seventy-five".