674066741 has 4 divisors (see below), whose sum is σ = 674118912. Its totient is φ = 674014572.

The previous prime is 674066737. The next prime is 674066747. The reversal of 674066741 is 147660476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 674066741 - 2² = 674066737 is a prime.

It is a super-2 number, since 2×674066741² = 908731942644722162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674066747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9260 + ... + 37866.

It is an arithmetic number, because the mean of its divisors is an integer number (168529728).

Almost surely, 2^674066741 is an apocalyptic number.

It is an amenable number.

674066741 is a deficient number, since it is larger than the sum of its proper divisors (52171).

674066741 is a wasteful number, since it uses less digits than its factorization.

674066741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52170.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 674066741 is about 25962.7953233083. The cubic root of 674066741 is about 876.8008585771.

It can be divided in two parts, 67406 and 6741, that added together give a palindrome (74147).

The spelling of 674066741 in words is "six hundred seventy-four million, sixty-six thousand, seven hundred forty-one".