5721442 has 4 divisors (see below), whose sum is σ = 8582166. Its totient is φ = 2860720.

The previous prime is 5721437. The next prime is 5721461. The reversal of 5721442 is 2441275.

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

It can be written as a sum of positive squares in only one way, i.e., 5157441 + 564001 = 2271^2 + 751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430359 + ... + 1430362.

Almost surely, 2^5721442 is an apocalyptic number.

5721442 is a deficient number, since it is larger than the sum of its proper divisors (2860724).

5721442 is a wasteful number, since it uses less digits than its factorization.

5721442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860723.

The product of its digits is 2240, while the sum is 25.

The square root of 5721442 is about 2391.9535948676. The cubic root of 5721442 is about 178.8553078920.

The spelling of 5721442 in words is "five million, seven hundred twenty-one thousand, four hundred forty-two".