670570654 has 16 divisors (see below), whose sum is σ = 1120583520. Its totient is φ = 298821600.

The previous prime is 670570601. The next prime is 670570657. The reversal of 670570654 is 456075076.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670570657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443922 + ... + 445429.

It is an arithmetic number, because the mean of its divisors is an integer number (70036470).

Almost surely, 2^670570654 is an apocalyptic number.

670570654 is a deficient number, since it is larger than the sum of its proper divisors (450012866).

670570654 is a wasteful number, since it uses less digits than its factorization.

670570654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889395.

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

The square root of 670570654 is about 25895.3790086185. The cubic root of 670570654 is about 875.2823704721.

The spelling of 670570654 in words is "six hundred seventy million, five hundred seventy thousand, six hundred fifty-four".