43061612 has 48 divisors (see below), whose sum is σ = 90865152. Its totient is φ = 17614080.

The previous prime is 43061609. The next prime is 43061633. The reversal of 43061612 is 21616034.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15953 + ... + 18455.

It is an arithmetic number, because the mean of its divisors is an integer number (1893024).

Almost surely, 2^43061612 is an apocalyptic number.

It is an amenable number.

43061612 is an abundant number, since it is smaller than the sum of its proper divisors (47803540).

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

43061612 is a wasteful number, since it uses less digits than its factorization.

43061612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 43061612 is about 6562.1347136431. The cubic root of 43061612 is about 350.5070528216.

Adding to 43061612 its reverse (21616034), we get a palindrome (64677646).

The spelling of 43061612 in words is "forty-three million, sixty-one thousand, six hundred twelve".