72346770851 has 8 divisors (see below), whose sum is σ = 77205634560. Its totient is φ = 67554926208.

The previous prime is 72346770841. The next prime is 72346770901. The reversal of 72346770851 is 15807764327.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72346770851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72346770851.

It is not an unprimeable number, because it can be changed into a prime (72346770841) 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, 16752536 + ... + 16756853.

It is an arithmetic number, because the mean of its divisors is an integer number (9650704320).

Almost surely, 2^72346770851 is an apocalyptic number.

72346770851 is a deficient number, since it is larger than the sum of its proper divisors (4858863709).

72346770851 is a wasteful number, since it uses less digits than its factorization.

72346770851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33509533.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 72346770851 in words is "seventy-two billion, three hundred forty-six million, seven hundred seventy thousand, eight hundred fifty-one".