4051072 has 16 divisors (see below), whose sum is σ = 8070750. Its totient is φ = 2025472.

The previous prime is 4051067. The next prime is 4051081. The reversal of 4051072 is 2701504.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 1308736 = 1656^2 + 1144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×4051072² = 32822368698368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15697 + ... + 15952.

Almost surely, 2^4051072 is an apocalyptic number.

It is an amenable number.

4051072 is a deficient number, since it is larger than the sum of its proper divisors (4019678).

4051072 is an equidigital number, since it uses as much as digits as its factorization.

4051072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31663 (or 31651 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4051072 is about 2012.7275026690. The cubic root of 4051072 is about 159.4128479637.

Adding to 4051072 its reverse (2701504), we get a palindrome (6752576).

The spelling of 4051072 in words is "four million, fifty-one thousand, seventy-two".