670339744 has 12 divisors (see below), whose sum is σ = 1319731434. Its totient is φ = 335169856.

The previous prime is 670339729. The next prime is 670339751. The reversal of 670339744 is 447933076.

It can be written as a sum of positive squares in only one way, i.e., 666259344 + 4080400 = 25812^2 + 2020^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 670339744.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10474027 + ... + 10474090.

Almost surely, 2^670339744 is an apocalyptic number.

It is an amenable number.

670339744 is a deficient number, since it is larger than the sum of its proper divisors (649391690).

670339744 is a wasteful number, since it uses less digits than its factorization.

670339744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948127 (or 20948119 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 670339744 is about 25890.9201072500. The cubic root of 670339744 is about 875.1818915470.

The spelling of 670339744 in words is "six hundred seventy million, three hundred thirty-nine thousand, seven hundred forty-four".