612857670 has 16 divisors (see below), whose sum is σ = 1470858480. Its totient is φ = 163428704.

The previous prime is 612857659. The next prime is 612857681. The reversal of 612857670 is 76758216.

612857670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (612857659) and next prime (612857681).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10214265 + ... + 10214324.

It is an arithmetic number, because the mean of its divisors is an integer number (91928655).

Almost surely, 2^612857670 is an apocalyptic number.

612857670 is an abundant number, since it is smaller than the sum of its proper divisors (858000810).

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

612857670 is a wasteful number, since it uses less digits than its factorization.

612857670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428599.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 612857670 is about 24755.9623121381. The cubic root of 612857670 is about 849.4149006829.

The spelling of 612857670 in words is "six hundred twelve million, eight hundred fifty-seven thousand, six hundred seventy".