666727602 has 32 divisors (see below), whose sum is σ = 1382621184. Its totient is φ = 214112400.

The previous prime is 666727601. The next prime is 666727619. The reversal of 666727602 is 206727666.

It is not an unprimeable number, because it can be changed into a prime (666727601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34327 + ... + 50117.

It is an arithmetic number, because the mean of its divisors is an integer number (43206912).

Almost surely, 2^666727602 is an apocalyptic number.

666727602 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

666727602 is an abundant number, since it is smaller than the sum of its proper divisors (715893582).

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

666727602 is a wasteful number, since it uses less digits than its factorization.

666727602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16054.

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

The square root of 666727602 is about 25821.0689554093. The cubic root of 666727602 is about 873.6070798838.

The spelling of 666727602 in words is "six hundred sixty-six million, seven hundred twenty-seven thousand, six hundred two".