72411773250621 has 32 divisors (see below), whose sum is σ = 118519602304000. Its totient is φ = 39200358440880.

The previous prime is 72411773250587. The next prime is 72411773250643. The reversal of 72411773250621 is 12605237711427.

72411773250621 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 72411773250621 - 2³⁵ = 72377413512253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72411773254621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1851849235 + ... + 1851888336.

It is an arithmetic number, because the mean of its divisors is an integer number (3703737572000).

Almost surely, 2^{72411773250621} is an apocalyptic number.

It is an amenable number.

72411773250621 is a deficient number, since it is larger than the sum of its proper divisors (46107829053379).

72411773250621 is a wasteful number, since it uses less digits than its factorization.

72411773250621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703737614 (or 3703737600 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 72411773250621 in words is "seventy-two trillion, four hundred eleven billion, seven hundred seventy-three million, two hundred fifty thousand, six hundred twenty-one".