72514242740 has 12 divisors (see below), whose sum is σ = 152279909796. Its totient is φ = 29005697088.

The previous prime is 72514242739. The next prime is 72514242803. The reversal of 72514242740 is 4724241527.

It can be written as a sum of positive squares in 2 ways, for example, as 48304127524 + 24210115216 = 219782^2 + 155596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72514242694 and 72514242703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812856049 + ... + 1812856088.

It is an arithmetic number, because the mean of its divisors is an integer number (12689992483).

Almost surely, 2^72514242740 is an apocalyptic number.

It is an amenable number.

72514242740 is an abundant number, since it is smaller than the sum of its proper divisors (79765667056).

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

72514242740 is a wasteful number, since it uses less digits than its factorization.

72514242740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625712146 (or 3625712144 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 72514242740 in words is "seventy-two billion, five hundred fourteen million, two hundred forty-two thousand, seven hundred forty".