43773442 has 16 divisors (see below), whose sum is σ = 68713272. Its totient is φ = 20891520.

The previous prime is 43773421. The next prime is 43773449. The reversal of 43773442 is 24437734.

43773442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38056561 + 5716881 = 6169^2 + 2391^2 .

It is a super-2 number, since 2×43773442² = 3832228449054728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43773398 and 43773407.

It is not an unprimeable number, because it can be changed into a prime (43773449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659 + ... + 9502.

Almost surely, 2^43773442 is an apocalyptic number.

43773442 is a deficient number, since it is larger than the sum of its proper divisors (24939830).

43773442 is a wasteful number, since it uses less digits than its factorization.

43773442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253.

The product of its digits is 56448, while the sum is 34.

The square root of 43773442 is about 6616.1500889868. The cubic root of 43773442 is about 352.4278597573.

The spelling of 43773442 in words is "forty-three million, seven hundred seventy-three thousand, four hundred forty-two".