43042706 has 16 divisors (see below), whose sum is σ = 76996224. Its totient is φ = 17644704.

The previous prime is 43042687. The next prime is 43042709. The reversal of 43042706 is 60724034.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43042709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66515 + ... + 67158.

It is an arithmetic number, because the mean of its divisors is an integer number (4812264).

Almost surely, 2^43042706 is an apocalyptic number.

43042706 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

43042706 is a deficient number, since it is larger than the sum of its proper divisors (33953518).

43042706 is a wasteful number, since it uses less digits than its factorization.

43042706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133705.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 43042706 is about 6560.6940181661. The cubic root of 43042706 is about 350.4557491502.

The spelling of 43042706 in words is "forty-three million, forty-two thousand, seven hundred six".