72461310402740 has 24 divisors (see below), whose sum is σ = 173907144966912. Its totient is φ = 24843877852320.

The previous prime is 72461310402727. The next prime is 72461310402821. The reversal of 72461310402740 is 4720401316427.

It is a super-2 number, since 2×72461310402740² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258790394156 + ... + 258790394435.

It is an arithmetic number, because the mean of its divisors is an integer number (7246131040288).

Almost surely, 2^{72461310402740} is an apocalyptic number.

72461310402740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72461310402740 is an abundant number, since it is smaller than the sum of its proper divisors (101445834564172).

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

72461310402740 is a wasteful number, since it uses less digits than its factorization.

72461310402740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517580788607 (or 517580788605 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 72461310402740 in words is "seventy-two trillion, four hundred sixty-one billion, three hundred ten million, four hundred two thousand, seven hundred forty".