43000002 has 24 divisors (see below), whose sum is σ = 98070960. Its totient is φ = 13578840.

The previous prime is 42999977. The next prime is 43000019. The reversal of 43000002 is 20000034.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 11 ways as a sum of consecutive naturals, for example, 62524 + ... + 63207.

It is an arithmetic number, because the mean of its divisors is an integer number (4086290).

Almost surely, 2^43000002 is an apocalyptic number.

43000002 is an abundant number, since it is smaller than the sum of its proper divisors (55070958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43000002 is a wasteful number, since it uses less digits than its factorization.

43000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125758 (or 125755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 43000002 is about 6557.4386768006. The cubic root of 43000002 is about 350.3398114703.

Adding to 43000002 its reverse (20000034), we get a palindrome (63000036).

The spelling of 43000002 in words is "forty-three million, two", and thus it is an aban number and an uban number.