374721 has 4 divisors (see below), whose sum is σ = 499632. Its totient is φ = 249812.

The previous prime is 374719. The next prime is 374729. The reversal of 374721 is 127473.

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 an emirpimes, since its reverse is a distinct semiprime: 127473 = 3 ⋅42491.

It is a cyclic number.

It is not a de Polignac number, because 374721 - 2¹ = 374719 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 374691 and 374700.

It is not an unprimeable number, because it can be changed into a prime (374729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62451 + ... + 62456.

It is an arithmetic number, because the mean of its divisors is an integer number (124908).

2³⁷⁴⁷²¹ is an apocalyptic number.

It is an amenable number.

374721 is a deficient number, since it is larger than the sum of its proper divisors (124911).

374721 is a wasteful number, since it uses less digits than its factorization.

374721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124910.

The product of its digits is 1176, while the sum is 24.

The square root of 374721 is about 612.1445907627. The cubic root of 374721 is about 72.0945901837.

It can be divided in two parts, 37472 and 1, that added together give a palindrome (37473).

The spelling of 374721 in words is "three hundred seventy-four thousand, seven hundred twenty-one", and thus it is an iban number.