670394043 has 32 divisors (see below), whose sum is σ = 1140499200. Its totient is φ = 384912000.

The previous prime is 670394033. The next prime is 670394047. The reversal of 670394043 is 340493076.

It is not a de Polignac number, because 670394043 - 2⁹ = 670393531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670393989 and 670394007.

It is not an unprimeable number, because it can be changed into a prime (670394047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53758 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (35640600).

Almost surely, 2^670394043 is an apocalyptic number.

670394043 is a deficient number, since it is larger than the sum of its proper divisors (470105157).

670394043 is a wasteful number, since it uses less digits than its factorization.

670394043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118840 (or 118834 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 670394043 is about 25891.9686968759. The cubic root of 670394043 is about 875.2055214645.

The spelling of 670394043 in words is "six hundred seventy million, three hundred ninety-four thousand, forty-three".