670740044 has 18 divisors (see below), whose sum is σ = 1271033820. Its totient is φ = 309572016.

The previous prime is 670740023. The next prime is 670740067. The reversal of 670740044 is 440047076.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495434 + ... + 496785.

It is an arithmetic number, because the mean of its divisors is an integer number (70612990).

Almost surely, 2^670740044 is an apocalyptic number.

It is an amenable number.

670740044 is a deficient number, since it is larger than the sum of its proper divisors (600293776).

670740044 is a wasteful number, since it uses less digits than its factorization.

670740044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992249 (or 992234 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 670740044 is about 25898.6494628581. The cubic root of 670740044 is about 875.3560647192.

The spelling of 670740044 in words is "six hundred seventy million, seven hundred forty thousand, forty-four".