3722042 has 4 divisors (see below), whose sum is σ = 5583066. Its totient is φ = 1861020.

The previous prime is 3722039. The next prime is 3722053. The reversal of 3722042 is 2402273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2402273 = 29 ⋅82837.

It can be written as a sum of positive squares in only one way, i.e., 3613801 + 108241 = 1901^2 + 329^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930509 + ... + 930512.

Almost surely, 2^3722042 is an apocalyptic number.

3722042 is a deficient number, since it is larger than the sum of its proper divisors (1861024).

3722042 is a wasteful number, since it uses less digits than its factorization.

3722042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861023.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3722042 is about 1929.2594434135. The cubic root of 3722042 is about 154.9745639843.

The spelling of 3722042 in words is "three million, seven hundred twenty-two thousand, forty-two".