666674070 has 32 divisors (see below), whose sum is σ = 1602236160. Its totient is φ = 177533280.

The previous prime is 666674059. The next prime is 666674083. The reversal of 666674070 is 70476666.

It is a super-2 number, since 2×666674070² = 888908631220729800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7135 + ... + 37205.

It is an arithmetic number, because the mean of its divisors is an integer number (50069880).

Almost surely, 2^666674070 is an apocalyptic number.

666674070 is an abundant number, since it is smaller than the sum of its proper divisors (935562090).

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

666674070 is a wasteful number, since it uses less digits than its factorization.

666674070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30820.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 666674070 is about 25820.0323392516. The cubic root of 666674070 is about 873.5836984280.

The spelling of 666674070 in words is "six hundred sixty-six million, six hundred seventy-four thousand, seventy".