3674721 has 8 divisors (see below), whose sum is σ = 4955040. Its totient is φ = 2422112.

The previous prime is 3674719. The next prime is 3674753. The reversal of 3674721 is 1274763.

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 3674721 - 2¹ = 3674719 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3674711) 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, 6615 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (619380).

Almost surely, 2^3674721 is an apocalyptic number.

It is an amenable number.

3674721 is a deficient number, since it is larger than the sum of its proper divisors (1280319).

3674721 is a wasteful number, since it uses less digits than its factorization.

3674721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855.

The product of its digits is 7056, while the sum is 30.

The square root of 3674721 is about 1916.9561810328. The cubic root of 3674721 is about 154.3149930962.

The spelling of 3674721 in words is "three million, six hundred seventy-four thousand, seven hundred twenty-one".