70272324257 has 4 divisors (see below), whose sum is σ = 71906564400. Its totient is φ = 68638084116.

The previous prime is 70272324217. The next prime is 70272324359. The reversal of 70272324257 is 75242327207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70272324257 - 2²⁶ = 70205215393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70272324217) 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, 817120007 + ... + 817120092.

It is an arithmetic number, because the mean of its divisors is an integer number (17976641100).

Almost surely, 2^70272324257 is an apocalyptic number.

It is an amenable number.

70272324257 is a deficient number, since it is larger than the sum of its proper divisors (1634240143).

70272324257 is a wasteful number, since it uses less digits than its factorization.

70272324257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634240142.

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 70272324257 in words is "seventy billion, two hundred seventy-two million, three hundred twenty-four thousand, two hundred fifty-seven".