72570397513 has 8 divisors (see below), whose sum is σ = 72670348800. Its totient is φ = 72470517840.

The previous prime is 72570397481. The next prime is 72570397519. The reversal of 72570397513 is 31579307527.

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 72570397513 - 2⁵ = 72570397481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72570397519) 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, 2194008 + ... + 2226838.

It is an arithmetic number, because the mean of its divisors is an integer number (9083793600).

Almost surely, 2^72570397513 is an apocalyptic number.

It is an amenable number.

72570397513 is a deficient number, since it is larger than the sum of its proper divisors (99951287).

72570397513 is a wasteful number, since it uses less digits than its factorization.

72570397513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35807.

The product of its (nonzero) digits is 1389150, while the sum is 49.

The spelling of 72570397513 in words is "seventy-two billion, five hundred seventy million, three hundred ninety-seven thousand, five hundred thirteen".