72757364144 has 10 divisors (see below), whose sum is σ = 140967393060. Its totient is φ = 36378682064.

The previous prime is 72757364131. The next prime is 72757364149. The reversal of 72757364144 is 44146375727.

It is a junction number, because it is equal to n+sod(n) for n = 72757364092 and 72757364101.

It is not an unprimeable number, because it can be changed into a prime (72757364149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273667614 + ... + 2273667645.

It is an arithmetic number, because the mean of its divisors is an integer number (14096739306).

Almost surely, 2^72757364144 is an apocalyptic number.

It is an amenable number.

72757364144 is a deficient number, since it is larger than the sum of its proper divisors (68210028916).

72757364144 is a wasteful number, since it uses less digits than its factorization.

72757364144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547335267 (or 4547335261 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 50.

The spelling of 72757364144 in words is "seventy-two billion, seven hundred fifty-seven million, three hundred sixty-four thousand, one hundred forty-four".