43674073 has 2 divisors, whose sum is σ = 43674074. Its totient is φ = 43674072.

The previous prime is 43674053. The next prime is 43674091. The reversal of 43674073 is 37047634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43520409 + 153664 = 6597^2 + 392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43674073 is a prime.

It is not a weakly prime, because it can be changed into another prime (43674053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21837036 + 21837037.

It is an arithmetic number, because the mean of its divisors is an integer number (21837037).

Almost surely, 2^43674073 is an apocalyptic number.

It is an amenable number.

43674073 is a deficient number, since it is larger than the sum of its proper divisors (1).

43674073 is an equidigital number, since it uses as much as digits as its factorization.

43674073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 43674073 is about 6608.6362435831. The cubic root of 43674073 is about 352.1609784741.

The spelling of 43674073 in words is "forty-three million, six hundred seventy-four thousand, seventy-three".