670060649 has 8 divisors (see below), whose sum is σ = 679710720. Its totient is φ = 660423456.

The previous prime is 670060637. The next prime is 670060667. The reversal of 670060649 is 946060076.

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

It is a cyclic number.

It is not a de Polignac number, because 670060649 - 2⁸ = 670060393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670060549) 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, 159032 + ... + 163190.

It is an arithmetic number, because the mean of its divisors is an integer number (84963840).

Almost surely, 2^670060649 is an apocalyptic number.

It is an amenable number.

670060649 is a deficient number, since it is larger than the sum of its proper divisors (9650071).

670060649 is a wasteful number, since it uses less digits than its factorization.

670060649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 670060649 is about 25885.5297222213. The cubic root of 670060649 is about 875.0604144408.

The spelling of 670060649 in words is "six hundred seventy million, sixty thousand, six hundred forty-nine".