3972734 has 16 divisors (see below), whose sum is σ = 6124896. Its totient is φ = 1932000.

The previous prime is 3972697. The next prime is 3972737. The reversal of 3972734 is 4372793.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3972694 and 3972703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14204 + ... + 14480.

It is an arithmetic number, because the mean of its divisors is an integer number (382806).

Almost surely, 2^3972734 is an apocalyptic number.

3972734 is a deficient number, since it is larger than the sum of its proper divisors (2152162).

3972734 is a wasteful number, since it uses less digits than its factorization.

3972734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 31752, while the sum is 35.

The square root of 3972734 is about 1993.1718440717. The cubic root of 3972734 is about 158.3785985693.

The spelling of 3972734 in words is "three million, nine hundred seventy-two thousand, seven hundred thirty-four".