56870407 has 8 divisors (see below), whose sum is σ = 62309520. Its totient is φ = 51476160.

The previous prime is 56870353. The next prime is 56870413. The reversal of 56870407 is 70407865.

It is a happy number.

56870407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56870407 - 2⁷ = 56870279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56870417) 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, 8532 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (7788690).

Almost surely, 2^56870407 is an apocalyptic number.

56870407 is a deficient number, since it is larger than the sum of its proper divisors (5439113).

56870407 is a wasteful number, since it uses less digits than its factorization.

56870407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22433.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 56870407 is about 7541.2470454163. The cubic root of 56870407 is about 384.5582316912.

The spelling of 56870407 in words is "fifty-six million, eight hundred seventy thousand, four hundred seven".