72802032347 has 16 divisors (see below), whose sum is σ = 88518096000. Its totient is φ = 59012058240.

The previous prime is 72802032341. The next prime is 72802032353. The reversal of 72802032347 is 74323020827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72802032341) and next prime (72802032353).

It is a cyclic number.

It is not a de Polignac number, because 72802032347 - 2⁶ = 72802032283 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 72802032347.

It is not an unprimeable number, because it can be changed into a prime (72802032341) 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, 10241597 + ... + 10248702.

It is an arithmetic number, because the mean of its divisors is an integer number (5532381000).

Almost surely, 2^72802032347 is an apocalyptic number.

72802032347 is a deficient number, since it is larger than the sum of its proper divisors (15716063653).

72802032347 is a wasteful number, since it uses less digits than its factorization.

72802032347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20490346.

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 72802032347 in words is "seventy-two billion, eight hundred two million, thirty-two thousand, three hundred forty-seven".