72474720901 has 16 divisors (see below), whose sum is σ = 79998197760. Its totient is φ = 65109737520.

The previous prime is 72474720869. The next prime is 72474720931. The reversal of 72474720901 is 10902747427.

It is a cyclic number.

It is not a de Polignac number, because 72474720901 - 2⁵ = 72474720869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72474720931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475936 + ... + 609478.

It is an arithmetic number, because the mean of its divisors is an integer number (4999887360).

Almost surely, 2^72474720901 is an apocalyptic number.

It is an amenable number.

72474720901 is a deficient number, since it is larger than the sum of its proper divisors (7523476859).

72474720901 is a wasteful number, since it uses less digits than its factorization.

72474720901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134136.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 72474720901 in words is "seventy-two billion, four hundred seventy-four million, seven hundred twenty thousand, nine hundred one".