43490067 has 4 divisors (see below), whose sum is σ = 57986760. Its totient is φ = 28993376.

The previous prime is 43490039. The next prime is 43490081. The reversal of 43490067 is 76009434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43490067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43490467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7248342 + ... + 7248347.

It is an arithmetic number, because the mean of its divisors is an integer number (14496690).

Almost surely, 2^43490067 is an apocalyptic number.

43490067 is a deficient number, since it is larger than the sum of its proper divisors (14496693).

43490067 is a wasteful number, since it uses less digits than its factorization.

43490067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496692.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 43490067 is about 6594.6999173579. The cubic root of 43490067 is about 351.6657117090.

The spelling of 43490067 in words is "forty-three million, four hundred ninety thousand, sixty-seven".