4207972 has 12 divisors (see below), whose sum is σ = 7389676. Its totient is φ = 2096640.

The previous prime is 4207969. The next prime is 4207981. The reversal of 4207972 is 2797024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 3006756 = 1096^2 + 1734^2 .

It is a nialpdrome in base 13.

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, 429 + ... + 2932.

Almost surely, 2^4207972 is an apocalyptic number.

It is an amenable number.

4207972 is a deficient number, since it is larger than the sum of its proper divisors (3181704).

4207972 is a wasteful number, since it uses less digits than its factorization.

4207972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 4207972 is about 2051.3341999782. The cubic root of 4207972 is about 161.4448814581. Note that the first 3 decimals are identical.

The spelling of 4207972 in words is "four million, two hundred seven thousand, nine hundred seventy-two".