72811026 has 24 divisors (see below), whose sum is σ = 158069964. Its totient is φ = 24222240.

The previous prime is 72811007. The next prime is 72811027. The reversal of 72811026 is 62011827.

It can be written as a sum of positive squares in 2 ways, for example, as 68807025 + 4004001 = 8295^2 + 2001^2 .

It is not an unprimeable number, because it can be changed into a prime (72811027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6000 + ... + 13476.

Almost surely, 2^72811026 is an apocalyptic number.

72811026 is an abundant number, since it is smaller than the sum of its proper divisors (85258938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72811026 is a wasteful number, since it uses less digits than its factorization.

72811026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026 (or 8023 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 72811026 is about 8532.9377121833. The cubic root of 72811026 is about 417.5729749213.

The spelling of 72811026 in words is "seventy-two million, eight hundred eleven thousand, twenty-six".