700875021 has 128 divisors (see below), whose sum is σ = 1313832960. Its totient is φ = 321235200.

The previous prime is 700875013. The next prime is 700875029. The reversal of 700875021 is 120578007.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (700875013) and next prime (700875029).

It is not a de Polignac number, because 700875021 - 2³ = 700875013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 700875021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700875029) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5350126 + ... + 5350256.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^700875021 is an apocalyptic number.

It is an amenable number.

700875021 is a deficient number, since it is larger than the sum of its proper divisors (612957939).

700875021 is a wasteful number, since it uses less digits than its factorization.

700875021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 700875021 is about 26474.0442886991. The cubic root of 700875021 is about 888.2738165719.

The spelling of 700875021 in words is "seven hundred million, eight hundred seventy-five thousand, twenty-one".