670494527 has 8 divisors (see below), whose sum is σ = 694983936. Its totient is φ = 646431192.

The previous prime is 670494521. The next prime is 670494557. The reversal of 670494527 is 725494076.

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 670494527 - 2⁶ = 670494463 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 (670494521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103313 + ... + 109610.

It is an arithmetic number, because the mean of its divisors is an integer number (86872992).

Almost surely, 2^670494527 is an apocalyptic number.

670494527 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

670494527 is a deficient number, since it is larger than the sum of its proper divisors (24489409).

670494527 is a wasteful number, since it uses less digits than its factorization.

670494527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213037.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 670494527 is about 25893.9090714399. The cubic root of 670494527 is about 875.2492468719.

The spelling of 670494527 in words is "six hundred seventy million, four hundred ninety-four thousand, five hundred twenty-seven".