5721142 has 12 divisors (see below), whose sum is σ = 9982980. Its totient is φ = 2451876.

The previous prime is 5721139. The next prime is 5721151. The reversal of 5721142 is 2411275.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29092 + ... + 29287.

It is an arithmetic number, because the mean of its divisors is an integer number (831915).

Almost surely, 2^5721142 is an apocalyptic number.

5721142 is a deficient number, since it is larger than the sum of its proper divisors (4261838).

5721142 is a wasteful number, since it uses less digits than its factorization.

5721142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58395 (or 58388 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 5721142 is about 2391.8908837988. The cubic root of 5721142 is about 178.8521817844.

The spelling of 5721142 in words is "five million, seven hundred twenty-one thousand, one hundred forty-two".