72477334025 has 6 divisors (see below), whose sum is σ = 89871894222. Its totient is φ = 57981867200.

The previous prime is 72477334021. The next prime is 72477334043. The reversal of 72477334025 is 52043377427.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 18757219849 + 53720114176 = 136957^2 + 231776^2 .

It is not a de Polignac number, because 72477334025 - 2² = 72477334021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72477334021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1449546656 + ... + 1449546705.

It is an arithmetic number, because the mean of its divisors is an integer number (14978649037).

Almost surely, 2^72477334025 is an apocalyptic number.

It is an amenable number.

72477334025 is a deficient number, since it is larger than the sum of its proper divisors (17394560197).

72477334025 is a wasteful number, since it uses less digits than its factorization.

72477334025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899093371 (or 2899093366 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 72477334025 in words is "seventy-two billion, four hundred seventy-seven million, three hundred thirty-four thousand, twenty-five".