3721742 has 24 divisors (see below), whose sum is σ = 6100704. Its totient is φ = 1701632.

The previous prime is 3721741. The next prime is 3721771. The reversal of 3721742 is 2471273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27098 + ... + 27234.

It is an arithmetic number, because the mean of its divisors is an integer number (254196).

Almost surely, 2^3721742 is an apocalyptic number.

3721742 is a deficient number, since it is larger than the sum of its proper divisors (2378962).

3721742 is a wasteful number, since it uses less digits than its factorization.

3721742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 203 counting only the distinct ones).

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

The square root of 3721742 is about 1929.1816918061. The cubic root of 3721742 is about 154.9704001750.

The spelling of 3721742 in words is "three million, seven hundred twenty-one thousand, seven hundred forty-two".