670433740 has 24 divisors (see below), whose sum is σ = 1408680000. Its totient is φ = 268027008.

The previous prime is 670433719. The next prime is 670433773. The reversal of 670433740 is 47334076.

670433740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 670433696 and 670433705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33136 + ... + 49384.

It is an arithmetic number, because the mean of its divisors is an integer number (58695000).

Almost surely, 2^670433740 is an apocalyptic number.

It is an amenable number.

670433740 is an abundant number, since it is smaller than the sum of its proper divisors (738246260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670433740 is a wasteful number, since it uses less digits than its factorization.

670433740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18321 (or 18319 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 670433740 is about 25892.7352745901. The cubic root of 670433740 is about 875.2227960551. Note that the first 3 decimals are identical.

The spelling of 670433740 in words is "six hundred seventy million, four hundred thirty-three thousand, seven hundred forty".