670772249 has 8 divisors (see below), whose sum is σ = 770880960. Its totient is φ = 571734576.

The previous prime is 670772231. The next prime is 670772273. The reversal of 670772249 is 942277076.

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

It is not a de Polignac number, because 670772249 - 2⁸ = 670771993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670772279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266414 + ... + 268919.

It is an arithmetic number, because the mean of its divisors is an integer number (96360120).

Almost surely, 2^670772249 is an apocalyptic number.

It is an amenable number.

670772249 is a deficient number, since it is larger than the sum of its proper divisors (100108711).

670772249 is a wasteful number, since it uses less digits than its factorization.

670772249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535519.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 670772249 is about 25899.2712059625. The cubic root of 670772249 is about 875.3700743151.

The spelling of 670772249 in words is "six hundred seventy million, seven hundred seventy-two thousand, two hundred forty-nine".