670898812 has 24 divisors (see below), whose sum is σ = 1248367680. Its totient is φ = 314388480.

The previous prime is 670898803. The next prime is 670898827. The reversal of 670898812 is 218898076.

It is a super-2 number, since 2×670898812² = 900210431886022688, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4389 + ... + 36892.

It is an arithmetic number, because the mean of its divisors is an integer number (52015320).

Almost surely, 2^670898812 is an apocalyptic number.

It is an amenable number.

670898812 is a deficient number, since it is larger than the sum of its proper divisors (577468868).

670898812 is a wasteful number, since it uses less digits than its factorization.

670898812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41541 (or 41539 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 670898812 is about 25901.7144606298. The cubic root of 670898812 is about 875.4251265307.

The spelling of 670898812 in words is "six hundred seventy million, eight hundred ninety-eight thousand, eight hundred twelve".