670212254 has 4 divisors (see below), whose sum is σ = 1005318384. Its totient is φ = 335106126.

The previous prime is 670212253. The next prime is 670212317. The reversal of 670212254 is 452212076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670212253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167553062 + ... + 167553065.

It is an arithmetic number, because the mean of its divisors is an integer number (251329596).

Almost surely, 2^670212254 is an apocalyptic number.

670212254 is a deficient number, since it is larger than the sum of its proper divisors (335106130).

670212254 is a wasteful number, since it uses less digits than its factorization.

670212254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335106129.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 670212254 is about 25888.4579301279. The cubic root of 670212254 is about 875.1264052484.

The spelling of 670212254 in words is "six hundred seventy million, two hundred twelve thousand, two hundred fifty-four".