7271266864 has 20 divisors (see below), whose sum is σ = 14829558040. Its totient is φ = 3444284160.

The previous prime is 7271266861. The next prime is 7271266867. The reversal of 7271266864 is 4686621727.

It is an interprime number because it is at equal distance from previous prime (7271266861) and next prime (7271266867).

It is not an unprimeable number, because it can be changed into a prime (7271266861) 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, 11959017 + ... + 11959624.

It is an arithmetic number, because the mean of its divisors is an integer number (741477902).

Almost surely, 2^7271266864 is an apocalyptic number.

It is an amenable number.

7271266864 is an abundant number, since it is smaller than the sum of its proper divisors (7558291176).

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

7271266864 is a wasteful number, since it uses less digits than its factorization.

7271266864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23918668 (or 23918662 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 7271266864 is about 85271.7237072173. The cubic root of 7271266864 is about 1937.3289190543.

The spelling of 7271266864 in words is "seven billion, two hundred seventy-one million, two hundred sixty-six thousand, eight hundred sixty-four".