7072751057 has 8 divisors (see below), whose sum is σ = 7165489320. Its totient is φ = 6980307840.

The previous prime is 7072751003. The next prime is 7072751107. The reversal of 7072751057 is 7501572707.

It can be written as a sum of positive squares in 4 ways, for example, as 69739201 + 7003011856 = 8351^2 + 83684^2 .

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 7072751057 - 2²² = 7068556753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7072751857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25298 + ... + 121595.

It is an arithmetic number, because the mean of its divisors is an integer number (895686165).

Almost surely, 2^7072751057 is an apocalyptic number.

It is an amenable number.

7072751057 is a deficient number, since it is larger than the sum of its proper divisors (92738263).

7072751057 is a wasteful number, since it uses less digits than its factorization.

7072751057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147523.

The product of its (nonzero) digits is 120050, while the sum is 41.

The square root of 7072751057 is about 84099.6495652628. The cubic root of 7072751057 is about 1919.5353925914.

The spelling of 7072751057 in words is "seven billion, seventy-two million, seven hundred fifty-one thousand, fifty-seven".