813272026 has 16 divisors (see below), whose sum is σ = 1394830080. Its totient is φ = 348382800.

The previous prime is 813272021. The next prime is 813272041. The reversal of 813272026 is 620272318.

It is a super-2 number, since 2×813272026² = 1322822776548289352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (813272021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20560 + ... + 45268.

It is an arithmetic number, because the mean of its divisors is an integer number (87176880).

Almost surely, 2^813272026 is an apocalyptic number.

813272026 is a deficient number, since it is larger than the sum of its proper divisors (581558054).

813272026 is a wasteful number, since it uses less digits than its factorization.

813272026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 813272026 is about 28517.9246439849. The cubic root of 813272026 is about 933.4232439178.

The spelling of 813272026 in words is "eight hundred thirteen million, two hundred seventy-two thousand, twenty-six".