674247827 has 4 divisors (see below), whose sum is σ = 735543096. Its totient is φ = 612952560.

The previous prime is 674247817. The next prime is 674247839. The reversal of 674247827 is 728742476.

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

It is a de Polignac number, because none of the positive numbers 2^k-674247827 is a prime.

It is a super-2 number, since 2×674247827² = 909220264428443858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674247817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30647618 + ... + 30647639.

It is an arithmetic number, because the mean of its divisors is an integer number (183885774).

Almost surely, 2^674247827 is an apocalyptic number.

674247827 is a deficient number, since it is larger than the sum of its proper divisors (61295269).

674247827 is a wasteful number, since it uses less digits than its factorization.

674247827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61295268.

The product of its digits is 1053696, while the sum is 47.

The square root of 674247827 is about 25966.2825025070. The cubic root of 674247827 is about 876.8793681837.

The spelling of 674247827 in words is "six hundred seventy-four million, two hundred forty-seven thousand, eight hundred twenty-seven".