43700012 has 12 divisors (see below), whose sum is σ = 76545000. Its totient is φ = 21830016.

The previous prime is 43699969. The next prime is 43700021. The reversal of 43700012 is 21000734.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623 + ... + 9369.

It is an arithmetic number, because the mean of its divisors is an integer number (6378750).

Almost surely, 2^43700012 is an apocalyptic number.

It is an amenable number.

43700012 is a deficient number, since it is larger than the sum of its proper divisors (32844988).

43700012 is a wasteful number, since it uses less digits than its factorization.

43700012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000 (or 9998 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 43700012 is about 6610.5984600488. The cubic root of 43700012 is about 352.2306834131.

Adding to 43700012 its reverse (21000734), we get a palindrome (64700746).

The spelling of 43700012 in words is "forty-three million, seven hundred thousand, twelve".