556740670 has 8 divisors (see below), whose sum is σ = 1002133224. Its totient is φ = 222696264.

The previous prime is 556740661. The next prime is 556740671. The reversal of 556740670 is 76047655.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556740671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27837024 + ... + 27837043.

It is an arithmetic number, because the mean of its divisors is an integer number (125266653).

Almost surely, 2^556740670 is an apocalyptic number.

556740670 is a deficient number, since it is larger than the sum of its proper divisors (445392554).

556740670 is a wasteful number, since it uses less digits than its factorization.

556740670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55674074.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 556740670 is about 23595.3527203981. The cubic root of 556740670 is about 822.6548249916.

The spelling of 556740670 in words is "five hundred fifty-six million, seven hundred forty thousand, six hundred seventy".