670902479 has 8 divisors (see below), whose sum is σ = 753924192. Its totient is φ = 592368480.

The previous prime is 670902473. The next prime is 670902481. The reversal of 670902479 is 974209076.

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 670902479 - 2²⁰ = 669853903 is a prime.

It is a super-2 number, since 2×670902479² = 900220272656690882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670902473) 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, 1121612 + ... + 1122209.

It is an arithmetic number, because the mean of its divisors is an integer number (94240524).

Almost surely, 2^670902479 is an apocalyptic number.

670902479 is a deficient number, since it is larger than the sum of its proper divisors (83021713).

670902479 is a wasteful number, since it uses less digits than its factorization.

670902479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243857.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 670902479 is about 25901.7852473531. The cubic root of 670902479 is about 875.4267214946.

The spelling of 670902479 in words is "six hundred seventy million, nine hundred two thousand, four hundred seventy-nine".