670057245 has 128 divisors (see below), whose sum is σ = 1424908800. Its totient is φ = 294451200.

The previous prime is 670057231. The next prime is 670057247. The reversal of 670057245 is 542750076.

670057245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670057245 - 2⁶ = 670057181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670057247) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1177321 + ... + 1177889.

It is an arithmetic number, because the mean of its divisors is an integer number (11132100).

Almost surely, 2^670057245 is an apocalyptic number.

670057245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670057245 is an abundant number, since it is smaller than the sum of its proper divisors (754851555).

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

670057245 is a wasteful number, since it uses less digits than its factorization.

670057245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 670057245 is about 25885.4639711171. The cubic root of 670057245 is about 875.0589326293.

The spelling of 670057245 in words is "six hundred seventy million, fifty-seven thousand, two hundred forty-five".