674649937 has 8 divisors (see below), whose sum is σ = 726747840. Its totient is φ = 622580880.

The previous prime is 674649901. The next prime is 674649973. The reversal of 674649937 is 739946476.

It is an interprime number because it is at equal distance from previous prime (674649901) and next prime (674649973).

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

It is a cyclic number.

It is not a de Polignac number, because 674649937 - 2¹¹ = 674647889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674649977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88362 + ... + 95692.

It is an arithmetic number, because the mean of its divisors is an integer number (90843480).

Almost surely, 2^674649937 is an apocalyptic number.

It is an amenable number.

674649937 is a deficient number, since it is larger than the sum of its proper divisors (52097903).

674649937 is a wasteful number, since it uses less digits than its factorization.

674649937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14423.

The product of its digits is 6858432, while the sum is 55.

The square root of 674649937 is about 25974.0242742629. The cubic root of 674649937 is about 877.0536522163.

The spelling of 674649937 in words is "six hundred seventy-four million, six hundred forty-nine thousand, nine hundred thirty-seven".