44974643 has 16 divisors (see below), whose sum is σ = 52455936. Its totient is φ = 37765440.

The previous prime is 44974627. The next prime is 44974649. The reversal of 44974643 is 34647944.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44974643 - 2⁴ = 44974627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44974643.

It is not an unprimeable number, because it can be changed into a prime (44974649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144458 + ... + 144768.

It is an arithmetic number, because the mean of its divisors is an integer number (3278496).

Almost surely, 2^44974643 is an apocalyptic number.

44974643 is a deficient number, since it is larger than the sum of its proper divisors (7481293).

44974643 is a wasteful number, since it uses less digits than its factorization.

44974643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 290304, while the sum is 41.

The square root of 44974643 is about 6706.3136669858. The cubic root of 44974643 is about 355.6225089012.

The spelling of 44974643 in words is "forty-four million, nine hundred seventy-four thousand, six hundred forty-three".