670772553 has 16 divisors (see below), whose sum is σ = 1033062336. Its totient is φ = 382615040.

The previous prime is 670772537. The next prime is 670772563. The reversal of 670772553 is 355277076.

It is a cyclic number.

It is not a de Polignac number, because 670772553 - 2⁴ = 670772537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670772503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597276 + ... + 598397.

It is an arithmetic number, because the mean of its divisors is an integer number (64566396).

Almost surely, 2^670772553 is an apocalyptic number.

It is an amenable number.

670772553 is a deficient number, since it is larger than the sum of its proper divisors (362289783).

670772553 is a wasteful number, since it uses less digits than its factorization.

670772553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195704.

The product of its (nonzero) digits is 308700, while the sum is 42.

The square root of 670772553 is about 25899.2770748529. The cubic root of 670772553 is about 875.3702065569.

The spelling of 670772553 in words is "six hundred seventy million, seven hundred seventy-two thousand, five hundred fifty-three".