4371872 has 12 divisors (see below), whose sum is σ = 8607186. Its totient is φ = 2185920.

The previous prime is 4371869. The next prime is 4371877. The reversal of 4371872 is 2781734.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4145296 + 226576 = 2036^2 + 476^2 .

It is a super-2 number, since 2×4371872² = 38226529568768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 136621 = 4371872 / (4 + 3 + 7 + 1 + 8 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (4371877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68279 + ... + 68342.

Almost surely, 2^4371872 is an apocalyptic number.

It is an amenable number.

4371872 is a deficient number, since it is larger than the sum of its proper divisors (4235314).

4371872 is a wasteful number, since it uses less digits than its factorization.

4371872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136631 (or 136623 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 4371872 is about 2090.9021976171. The cubic root of 4371872 is about 163.5143275670.

The spelling of 4371872 in words is "four million, three hundred seventy-one thousand, eight hundred seventy-two".