674461729 has 16 divisors (see below), whose sum is σ = 741830400. Its totient is φ = 611106496.

The previous prime is 674461727. The next prime is 674461763. The reversal of 674461729 is 927164476.

It is a cyclic number.

It is not a de Polignac number, because 674461729 - 2¹ = 674461727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674461721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25812 + ... + 44890.

It is an arithmetic number, because the mean of its divisors is an integer number (46364400).

Almost surely, 2^674461729 is an apocalyptic number.

It is an amenable number.

674461729 is a deficient number, since it is larger than the sum of its proper divisors (67368671).

674461729 is a wasteful number, since it uses less digits than its factorization.

674461729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184.

The product of its digits is 508032, while the sum is 46.

The square root of 674461729 is about 25970.4010173120. The cubic root of 674461729 is about 876.9720870188.

The spelling of 674461729 in words is "six hundred seventy-four million, four hundred sixty-one thousand, seven hundred twenty-nine".