3742972 has 24 divisors (see below), whose sum is σ = 6950160. Its totient is φ = 1760640.

The previous prime is 3742961. The next prime is 3742987. The reversal of 3742972 is 2792473.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4363 + ... + 5149.

It is an arithmetic number, because the mean of its divisors is an integer number (289590).

Almost surely, 2^3742972 is an apocalyptic number.

It is an amenable number.

3742972 is a deficient number, since it is larger than the sum of its proper divisors (3207188).

3742972 is a wasteful number, since it uses less digits than its factorization.

3742972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 859 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 3742972 is about 1934.6762002981. The cubic root of 3742972 is about 155.2645084689.

The spelling of 3742972 in words is "three million, seven hundred forty-two thousand, nine hundred seventy-two".