3972712 has 32 divisors (see below), whose sum is σ = 7822080. Its totient is φ = 1889280.

The previous prime is 3972697. The next prime is 3972737. The reversal of 3972712 is 2172793.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20488 + ... + 20680.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

Almost surely, 2^3972712 is an apocalyptic number.

It is an amenable number.

3972712 is a deficient number, since it is larger than the sum of its proper divisors (3849368).

3972712 is a wasteful number, since it uses less digits than its factorization.

3972712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 309 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 3972712 is about 1993.1663252223. The cubic root of 3972712 is about 158.3783062152.

The spelling of 3972712 in words is "three million, nine hundred seventy-two thousand, seven hundred twelve".