674263506 has 32 divisors (see below), whose sum is σ = 1582830720. Its totient is φ = 187439616.

The previous prime is 674263501. The next prime is 674263519. The reversal of 674263506 is 605362476.

It is a super-3 number, since 3×674263506³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674263501) 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, 215391 + ... + 218498.

It is an arithmetic number, because the mean of its divisors is an integer number (49463460).

Almost surely, 2^674263506 is an apocalyptic number.

674263506 is an abundant number, since it is smaller than the sum of its proper divisors (908567214).

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

674263506 is a wasteful number, since it uses less digits than its factorization.

674263506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433938.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 674263506 is about 25966.5844115086. The cubic root of 674263506 is about 876.8861651331.

The spelling of 674263506 in words is "six hundred seventy-four million, two hundred sixty-three thousand, five hundred six".