72957824329 has 8 divisors (see below), whose sum is σ = 82705226240. Its totient is φ = 63801174096.

The previous prime is 72957824297. The next prime is 72957824347. The reversal of 72957824329 is 92342875927.

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 not a de Polignac number, because 72957824329 - 2⁵ = 72957824297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72957824389) 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, 147687657 + ... + 147688150.

It is an arithmetic number, because the mean of its divisors is an integer number (10338153280).

Almost surely, 2^72957824329 is an apocalyptic number.

It is an amenable number.

72957824329 is a deficient number, since it is larger than the sum of its proper divisors (9747401911).

72957824329 is a wasteful number, since it uses less digits than its factorization.

72957824329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295375839.

The product of its digits is 15240960, while the sum is 58.

The spelling of 72957824329 in words is "seventy-two billion, nine hundred fifty-seven million, eight hundred twenty-four thousand, three hundred twenty-nine".