72064248909 has 8 divisors (see below), whose sum is σ = 96086913792. Its totient is φ = 48042208320.

The previous prime is 72064248901. The next prime is 72064248931. The reversal of 72064248909 is 90984246027.

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

It is not a de Polignac number, because 72064248909 - 2³ = 72064248901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72064248901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325924 + ... + 500354.

It is an arithmetic number, because the mean of its divisors is an integer number (12010864224).

Almost surely, 2^72064248909 is an apocalyptic number.

It is an amenable number.

72064248909 is a deficient number, since it is larger than the sum of its proper divisors (24022664883).

72064248909 is a wasteful number, since it uses less digits than its factorization.

72064248909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312147.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 72064248909 in words is "seventy-two billion, sixty-four million, two hundred forty-eight thousand, nine hundred nine".