72996210307 has 4 divisors (see below), whose sum is σ = 73018904296. Its totient is φ = 72973516320.

The previous prime is 72996210269. The next prime is 72996210319. The reversal of 72996210307 is 70301269927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70301269927 = 7 ⋅10043038561.

It is a cyclic number.

It is not a de Polignac number, because 72996210307 - 2³¹ = 70848726659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72996210607) 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, 11342169 + ... + 11348602.

It is an arithmetic number, because the mean of its divisors is an integer number (18254726074).

Almost surely, 2^72996210307 is an apocalyptic number.

72996210307 is a deficient number, since it is larger than the sum of its proper divisors (22693989).

72996210307 is a wasteful number, since it uses less digits than its factorization.

72996210307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22693988.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 72996210307 in words is "seventy-two billion, nine hundred ninety-six million, two hundred ten thousand, three hundred seven".