674516401 has 16 divisors (see below), whose sum is σ = 756580608. Its totient is φ = 597240000.

The previous prime is 674516341. The next prime is 674516407. The reversal of 674516401 is 104615476.

It is a cyclic number.

It is not a de Polignac number, because 674516401 - 2⁹ = 674515889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674516407) 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 15 ways as a sum of consecutive naturals, for example, 24276 + ... + 44026.

It is an arithmetic number, because the mean of its divisors is an integer number (47286288).

Almost surely, 2^674516401 is an apocalyptic number.

It is an amenable number.

674516401 is a deficient number, since it is larger than the sum of its proper divisors (82064207).

674516401 is a wasteful number, since it uses less digits than its factorization.

674516401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19872.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 674516401 is about 25971.4535788816. The cubic root of 674516401 is about 876.9957822217.

The spelling of 674516401 in words is "six hundred seventy-four million, five hundred sixteen thousand, four hundred one".