5257420670 has 16 divisors (see below), whose sum is σ = 9557055648. Its totient is φ = 2082146400.

The previous prime is 5257420639. The next prime is 5257420703. The reversal of 5257420670 is 760247525.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601674 + ... + 2603693.

It is an arithmetic number, because the mean of its divisors is an integer number (597315978).

Almost surely, 2^5257420670 is an apocalyptic number.

5257420670 is a deficient number, since it is larger than the sum of its proper divisors (4299634978).

5257420670 is a wasteful number, since it uses less digits than its factorization.

5257420670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205475.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 5257420670 is about 72508.0731367204. The cubic root of 5257420670 is about 1738.8318082537.

The spelling of 5257420670 in words is "five billion, two hundred fifty-seven million, four hundred twenty thousand, six hundred seventy".