72514252740 has 24 divisors (see below), whose sum is σ = 203039907840. Its totient is φ = 19337134048.

The previous prime is 72514252739. The next prime is 72514252801. The reversal of 72514252740 is 4725241527.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604285380 + ... + 604285499.

It is an arithmetic number, because the mean of its divisors is an integer number (8459996160).

Almost surely, 2^72514252740 is an apocalyptic number.

It is an amenable number.

72514252740 is an abundant number, since it is smaller than the sum of its proper divisors (130525655100).

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

72514252740 is a wasteful number, since it uses less digits than its factorization.

72514252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208570891 (or 1208570889 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 72514252740 in words is "seventy-two billion, five hundred fourteen million, two hundred fifty-two thousand, seven hundred forty".