72140622552 has 24 divisors (see below), whose sum is σ = 195380852940. Its totient is φ = 24046874160.

The previous prime is 72140622481. The next prime is 72140622553. The reversal of 72140622552 is 25522604127.

72140622552 is a `hidden beast` number, since 7 + 2 + 1 + 40 + 62 + 2 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140622553) 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, 500976474 + ... + 500976617.

Almost surely, 2^72140622552 is an apocalyptic number.

72140622552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

72140622552 is an abundant number, since it is smaller than the sum of its proper divisors (123240230388).

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

72140622552 is a wasteful number, since it uses less digits than its factorization.

72140622552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001953103 (or 1001953096 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 72140622552 in words is "seventy-two billion, one hundred forty million, six hundred twenty-two thousand, five hundred fifty-two".