670559745 has 16 divisors (see below), whose sum is σ = 1073551680. Its totient is φ = 357413184.

The previous prime is 670559737. The next prime is 670559783. The reversal of 670559745 is 547955076.

It is not a de Polignac number, because 670559745 - 2³ = 670559737 is a prime.

It is a super-2 number, since 2×670559745² = 899300743228930050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670559694 and 670559703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13411 + ... + 38999.

It is an arithmetic number, because the mean of its divisors is an integer number (67096980).

Almost surely, 2^670559745 is an apocalyptic number.

It is an amenable number.

670559745 is a deficient number, since it is larger than the sum of its proper divisors (402991935).

670559745 is a wasteful number, since it uses less digits than its factorization.

670559745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27344.

The product of its (nonzero) digits is 1323000, while the sum is 48.

The square root of 670559745 is about 25895.1683717253. The cubic root of 670559745 is about 875.2776240137.

The spelling of 670559745 in words is "six hundred seventy million, five hundred fifty-nine thousand, seven hundred forty-five".