72379558251 has 96 divisors (see below), whose sum is σ = 140699919360. Its totient is φ = 34626528000.

The previous prime is 72379558243. The next prime is 72379558267. The reversal of 72379558251 is 15285597327.

72379558251 is a `hidden beast` number, since 7 + 2 + 3 + 7 + 9 + 5 + 582 + 51 = 666.

It is not a de Polignac number, because 72379558251 - 2³ = 72379558243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72379558211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3945801 + ... + 3964101.

It is an arithmetic number, because the mean of its divisors is an integer number (1465624160).

Almost surely, 2^72379558251 is an apocalyptic number.

72379558251 is a deficient number, since it is larger than the sum of its proper divisors (68320361109).

72379558251 is a wasteful number, since it uses less digits than its factorization.

72379558251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18777 (or 18774 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The spelling of 72379558251 in words is "seventy-two billion, three hundred seventy-nine million, five hundred fifty-eight thousand, two hundred fifty-one".