670842583 has 4 divisors (see below), whose sum is σ = 671357160. Its totient is φ = 670328008.

The previous prime is 670842563. The next prime is 670842607. The reversal of 670842583 is 385248076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670842583 - 2²¹ = 668745431 is a prime.

It is a super-2 number, since 2×670842583² = 900059542332223778, 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 (670842503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255328 + ... + 257941.

It is an arithmetic number, because the mean of its divisors is an integer number (167839290).

Almost surely, 2^670842583 is an apocalyptic number.

670842583 is a deficient number, since it is larger than the sum of its proper divisors (514577).

670842583 is a wasteful number, since it uses less digits than its factorization.

670842583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514576.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 670842583 is about 25900.6290078060. The cubic root of 670842583 is about 875.4006689653.

The spelling of 670842583 in words is "six hundred seventy million, eight hundred forty-two thousand, five hundred eighty-three".