674577247 has 4 divisors (see below), whose sum is σ = 674656560. Its totient is φ = 674497936.

The previous prime is 674577227. The next prime is 674577307. The reversal of 674577247 is 742775476.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674577247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674577247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674577227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25123 + ... + 44500.

It is an arithmetic number, because the mean of its divisors is an integer number (168664140).

Almost surely, 2^674577247 is an apocalyptic number.

674577247 is a deficient number, since it is larger than the sum of its proper divisors (79313).

674577247 is an equidigital number, since it uses as much as digits as its factorization.

674577247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79312.

The product of its digits is 2304960, while the sum is 49.

The square root of 674577247 is about 25972.6249539780. The cubic root of 674577247 is about 877.0221517712.

The spelling of 674577247 in words is "six hundred seventy-four million, five hundred seventy-seven thousand, two hundred forty-seven".