670024661 has 8 divisors (see below), whose sum is σ = 703613184. Its totient is φ = 636807600.

The previous prime is 670024651. The next prime is 670024673. The reversal of 670024661 is 166420076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670024661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670024651) 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, 89165 + ... + 96386.

It is an arithmetic number, because the mean of its divisors is an integer number (87951648).

Almost surely, 2^670024661 is an apocalyptic number.

It is an amenable number.

670024661 is a deficient number, since it is larger than the sum of its proper divisors (33588523).

670024661 is a wasteful number, since it uses less digits than its factorization.

670024661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185731.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 670024661 is about 25884.8345754807. The cubic root of 670024661 is about 875.0447480789.

The spelling of 670024661 in words is "six hundred seventy million, twenty-four thousand, six hundred sixty-one".