3727972 has 12 divisors (see below), whose sum is σ = 6700540. Its totient is φ = 1813536.

The previous prime is 3727961. The next prime is 3727991. The reversal of 3727972 is 2797273.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 246016 = 1866^2 + 496^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447 + ... + 12742.

Almost surely, 2^3727972 is an apocalyptic number.

It is an amenable number.

3727972 is a deficient number, since it is larger than the sum of its proper divisors (2972568).

3727972 is a wasteful number, since it uses less digits than its factorization.

3727972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25230 (or 25228 counting only the distinct ones).

The product of its digits is 37044, while the sum is 37.

The square root of 3727972 is about 1930.7956909005. The cubic root of 3727972 is about 155.0568227321.

The spelling of 3727972 in words is "three million, seven hundred twenty-seven thousand, nine hundred seventy-two".