43000070 has 8 divisors (see below), whose sum is σ = 77400144. Its totient is φ = 17200024.

The previous prime is 43000063. The next prime is 43000081. The reversal of 43000070 is 7000034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149994 + ... + 2150013.

It is an arithmetic number, because the mean of its divisors is an integer number (9675018).

Almost surely, 2^43000070 is an apocalyptic number.

43000070 is a deficient number, since it is larger than the sum of its proper divisors (34400074).

43000070 is a wasteful number, since it uses less digits than its factorization.

43000070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300014.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 43000070 is about 6557.4438617498. The cubic root of 43000070 is about 350.3399961454.

The spelling of 43000070 in words is "forty-three million, seventy", and thus it is an aban number and an uban number.