674990249 has 8 divisors (see below), whose sum is σ = 697074432. Its totient is φ = 652925520.

The previous prime is 674990243. The next prime is 674990273. The reversal of 674990249 is 942099476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674990249 is a prime.

It is a super-2 number, since 2×674990249² = 911223672490164002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 674990197 and 674990206.

It is not an unprimeable number, because it can be changed into a prime (674990243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106442 + ... + 112604.

It is an arithmetic number, because the mean of its divisors is an integer number (87134304).

Almost surely, 2^674990249 is an apocalyptic number.

It is an amenable number.

674990249 is a deficient number, since it is larger than the sum of its proper divisors (22084183).

674990249 is a wasteful number, since it uses less digits than its factorization.

674990249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9727.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 674990249 is about 25980.5744547729. The cubic root of 674990249 is about 877.2010974292.

The spelling of 674990249 in words is "six hundred seventy-four million, nine hundred ninety thousand, two hundred forty-nine".