670517254 has 8 divisors (see below), whose sum is σ = 1097210088. Its totient is φ = 304780560.

The previous prime is 670517251. The next prime is 670517261. The reversal of 670517254 is 452715076.

670517254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670517251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15239007 + ... + 15239050.

It is an arithmetic number, because the mean of its divisors is an integer number (137151261).

Almost surely, 2^670517254 is an apocalyptic number.

670517254 is a deficient number, since it is larger than the sum of its proper divisors (426692834).

670517254 is a wasteful number, since it uses less digits than its factorization.

670517254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30478070.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 670517254 is about 25894.3479160994. The cubic root of 670517254 is about 875.2591358738.

It can be divided in two parts, 67051 and 7254, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 670517254 in words is "six hundred seventy million, five hundred seventeen thousand, two hundred fifty-four".