72902046497 has 16 divisors (see below), whose sum is σ = 86093434752. Its totient is φ = 60425585280.

The previous prime is 72902046467. The next prime is 72902046499. The reversal of 72902046497 is 79464020927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72902046497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72902046499) 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, 821204 + ... + 905637.

It is an arithmetic number, because the mean of its divisors is an integer number (5380839672).

Almost surely, 2^72902046497 is an apocalyptic number.

It is an amenable number.

72902046497 is a deficient number, since it is larger than the sum of its proper divisors (13191388255).

72902046497 is a wasteful number, since it uses less digits than its factorization.

72902046497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727048.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 72902046497 in words is "seventy-two billion, nine hundred two million, forty-six thousand, four hundred ninety-seven".