670772551 has 8 divisors (see below), whose sum is σ = 680896944. Its totient is φ = 660696960.

The previous prime is 670772537. The next prime is 670772563. The reversal of 670772551 is 155277076.

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 670772551 - 2¹⁹ = 670248263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670772591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15981 + ... + 39961.

It is an arithmetic number, because the mean of its divisors is an integer number (85112118).

Almost surely, 2^670772551 is an apocalyptic number.

670772551 is a deficient number, since it is larger than the sum of its proper divisors (10124393).

670772551 is a wasteful number, since it uses less digits than its factorization.

670772551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24401.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 670772551 is about 25899.2770362418. The cubic root of 670772551 is about 875.3702056869.

The spelling of 670772551 in words is "six hundred seventy million, seven hundred seventy-two thousand, five hundred fifty-one".