72477140422621 has 8 divisors (see below), whose sum is σ = 79954353072000. Its totient is φ = 65147991390240.

The previous prime is 72477140422567. The next prime is 72477140422633. The reversal of 72477140422621 is 12622404177427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72477140422621 - 2²⁵ = 72477106868189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72477140422021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37015903221 + ... + 37015905178.

It is an arithmetic number, because the mean of its divisors is an integer number (9994294134000).

Almost surely, 2^{72477140422621} is an apocalyptic number.

It is an amenable number.

72477140422621 is a deficient number, since it is larger than the sum of its proper divisors (7477212649379).

72477140422621 is a wasteful number, since it uses less digits than its factorization.

72477140422621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74031808499.

The product of its (nonzero) digits is 2107392, while the sum is 49.

The spelling of 72477140422621 in words is "seventy-two trillion, four hundred seventy-seven billion, one hundred forty million, four hundred twenty-two thousand, six hundred twenty-one".