670257450 has 48 divisors (see below), whose sum is σ = 1846935360. Its totient is φ = 178734960.

The previous prime is 670257431. The next prime is 670257461. The reversal of 670257450 is 54752076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246894 + ... + 249593.

It is an arithmetic number, because the mean of its divisors is an integer number (38477820).

Almost surely, 2^670257450 is an apocalyptic number.

670257450 is an abundant number, since it is smaller than the sum of its proper divisors (1176677910).

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

670257450 is a wasteful number, since it uses less digits than its factorization.

670257450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496508 (or 496497 counting only the distinct ones).

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

The square root of 670257450 is about 25889.3308140632. The cubic root of 670257450 is about 875.1460762923.

The spelling of 670257450 in words is "six hundred seventy million, two hundred fifty-seven thousand, four hundred fifty".