72411737623640 has 32 divisors (see below), whose sum is σ = 166900224526560. Its totient is φ = 28258239072000.

The previous prime is 72411737623639. The next prime is 72411737623669. The reversal of 72411737623640 is 4632673711427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22076747636 + ... + 22076750915.

It is an arithmetic number, because the mean of its divisors is an integer number (5215632016455).

Almost surely, 2^{72411737623640} is an apocalyptic number.

It is an amenable number.

72411737623640 is an abundant number, since it is smaller than the sum of its proper divisors (94488486902920).

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

72411737623640 is a wasteful number, since it uses less digits than its factorization.

72411737623640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44153498603 (or 44153498599 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 72411737623640 in words is "seventy-two trillion, four hundred eleven billion, seven hundred thirty-seven million, six hundred twenty-three thousand, six hundred forty".