2374721 has 4 divisors (see below), whose sum is σ = 2383572. Its totient is φ = 2365872.

The previous prime is 2374717. The next prime is 2374733. The reversal of 2374721 is 1274732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 579121 + 1795600 = 761^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2374721 - 2² = 2374717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2374751) 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, 4010 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (595893).

2^2374721 is an apocalyptic number.

It is an amenable number.

2374721 is a deficient number, since it is larger than the sum of its proper divisors (8851).

2374721 is an equidigital number, since it uses as much as digits as its factorization.

2374721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850.

The product of its digits is 2352, while the sum is 26.

The square root of 2374721 is about 1541.0129785307. The cubic root of 2374721 is about 133.4148577820.

The spelling of 2374721 in words is "two million, three hundred seventy-four thousand, seven hundred twenty-one".