43244072 has 8 divisors (see below), whose sum is σ = 81082650. Its totient is φ = 21622032.

The previous prime is 43244051. The next prime is 43244081. The reversal of 43244072 is 27044234.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 13147876 = 5486^2 + 3626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702747 + ... + 2702762.

Almost surely, 2^43244072 is an apocalyptic number.

It is an amenable number.

43244072 is a deficient number, since it is larger than the sum of its proper divisors (37838578).

43244072 is a wasteful number, since it uses less digits than its factorization.

43244072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405515 (or 5405511 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 43244072 is about 6576.0225060442. The cubic root of 43244072 is about 351.0014096149.

The spelling of 43244072 in words is "forty-three million, two hundred forty-four thousand, seventy-two".