72547160746 has 8 divisors (see below), whose sum is σ = 110665160640. Its totient is φ = 35658773868.

The previous prime is 72547160743. The next prime is 72547160747. The reversal of 72547160746 is 64706174527.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72547160746.

It is not an unprimeable number, because it can be changed into a prime (72547160743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307403106 + ... + 307403341.

It is an arithmetic number, because the mean of its divisors is an integer number (13833145080).

Almost surely, 2^72547160746 is an apocalyptic number.

72547160746 is a deficient number, since it is larger than the sum of its proper divisors (38117999894).

72547160746 is a wasteful number, since it uses less digits than its factorization.

72547160746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614806508.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 72547160746 in words is "seventy-two billion, five hundred forty-seven million, one hundred sixty thousand, seven hundred forty-six".