7005120657 has 8 divisors (see below), whose sum is σ = 9889582176. Its totient is φ = 4395369792.

The previous prime is 7005120653. The next prime is 7005120709. The reversal of 7005120657 is 7560215007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7005120657 - 2² = 7005120653 is a prime.

It is a super-2 number, since 2×7005120657² = 98143430838256223298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7005120653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68677603 + ... + 68677704.

It is an arithmetic number, because the mean of its divisors is an integer number (1236197772).

Almost surely, 2^7005120657 is an apocalyptic number.

It is an amenable number.

7005120657 is a deficient number, since it is larger than the sum of its proper divisors (2884461519).

7005120657 is a wasteful number, since it uses less digits than its factorization.

7005120657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137355327.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 7005120657 is about 83696.5988377067. The cubic root of 7005120657 is about 1913.3975197670.

The spelling of 7005120657 in words is "seven billion, five million, one hundred twenty thousand, six hundred fifty-seven".