670428790 has 16 divisors (see below), whose sum is σ = 1207479312. Its totient is φ = 268014304.

The previous prime is 670428767. The next prime is 670428791. The reversal of 670428790 is 97824076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670428791) 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, 889 + ... + 36628.

It is an arithmetic number, because the mean of its divisors is an integer number (75467457).

Almost surely, 2^670428790 is an apocalyptic number.

670428790 is a deficient number, since it is larger than the sum of its proper divisors (537050522).

670428790 is a wasteful number, since it uses less digits than its factorization.

670428790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39311.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 670428790 is about 25892.6396877568. The cubic root of 670428790 is about 875.2206420448.

The spelling of 670428790 in words is "six hundred seventy million, four hundred twenty-eight thousand, seven hundred ninety".