670385254 has 24 divisors (see below), whose sum is σ = 1263208464. Its totient is φ = 261188400.

The previous prime is 670385249. The next prime is 670385267. The reversal of 670385254 is 452583076.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196177 + ... + 199564.

It is an arithmetic number, because the mean of its divisors is an integer number (52633686).

Almost surely, 2^670385254 is an apocalyptic number.

670385254 is a deficient number, since it is larger than the sum of its proper divisors (592823210).

670385254 is a wasteful number, since it uses less digits than its factorization.

670385254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395772 (or 395761 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 670385254 is about 25891.7989718752. The cubic root of 670385254 is about 875.2016967413.

The spelling of 670385254 in words is "six hundred seventy million, three hundred eighty-five thousand, two hundred fifty-four".