670537706 has 8 divisors (see below), whose sum is σ = 1014707844. Its totient is φ = 332301760.

The previous prime is 670537691. The next prime is 670537727. The reversal of 670537706 is 607735076.

It can be written as a sum of positive squares in 2 ways, for example, as 627753025 + 42784681 = 25055^2 + 6541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1483265 + ... + 1483716.

Almost surely, 2^670537706 is an apocalyptic number.

670537706 is a deficient number, since it is larger than the sum of its proper divisors (344170138).

670537706 is a wasteful number, since it uses less digits than its factorization.

670537706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967096.

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 670537706 is about 25894.7428255235. The cubic root of 670537706 is about 875.2680347837.

The spelling of 670537706 in words is "six hundred seventy million, five hundred thirty-seven thousand, seven hundred six".