721872526760 has 128 divisors (see below), whose sum is σ = 2038404925440. Its totient is φ = 223509024000.

The previous prime is 721872526751. The next prime is 721872526769. The reversal of 721872526760 is 67625278127.

It is an interprime number because it is at equal distance from previous prime (721872526751) and next prime (721872526769).

It is not an unprimeable number, because it can be changed into a prime (721872526769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310994 + ... + 1241153.

It is an arithmetic number, because the mean of its divisors is an integer number (15925038480).

Almost surely, 2^721872526760 is an apocalyptic number.

721872526760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

721872526760 is an abundant number, since it is smaller than the sum of its proper divisors (1316532398680).

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

721872526760 is a wasteful number, since it uses less digits than its factorization.

721872526760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552327 (or 1552323 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 721872526760 in words is "seven hundred twenty-one billion, eight hundred seventy-two million, five hundred twenty-six thousand, seven hundred sixty".