670716512 has 12 divisors (see below), whose sum is σ = 1320473196. Its totient is φ = 335358240.

The previous prime is 670716493. The next prime is 670716577. The reversal of 670716512 is 215617076.

670716512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×670716512² = 899721278938892288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10479914 + ... + 10479977.

It is an arithmetic number, because the mean of its divisors is an integer number (110039433).

Almost surely, 2^670716512 is an apocalyptic number.

It is an amenable number.

670716512 is a deficient number, since it is larger than the sum of its proper divisors (649756684).

670716512 is a wasteful number, since it uses less digits than its factorization.

670716512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20959901 (or 20959893 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 670716512 is about 25898.1951494694. The cubic root of 670716512 is about 875.3458277081.

The spelling of 670716512 in words is "six hundred seventy million, seven hundred sixteen thousand, five hundred twelve".