670542252 has 12 divisors (see below), whose sum is σ = 1564598616. Its totient is φ = 223514080.

The previous prime is 670542221. The next prime is 670542269. The reversal of 670542252 is 252245076.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27939249 + ... + 27939272.

It is an arithmetic number, because the mean of its divisors is an integer number (130383218).

Almost surely, 2^670542252 is an apocalyptic number.

It is an amenable number.

670542252 is an abundant number, since it is smaller than the sum of its proper divisors (894056364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670542252 is a wasteful number, since it uses less digits than its factorization.

670542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878528 (or 55878526 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 670542252 is about 25894.8306038097. The cubic root of 670542252 is about 875.2700127781.

The spelling of 670542252 in words is "six hundred seventy million, five hundred forty-two thousand, two hundred fifty-two".