44574921 has 8 divisors (see below), whose sum is σ = 66036960. Its totient is φ = 29716596.

The previous prime is 44574917. The next prime is 44574923. The reversal of 44574921 is 12947544.

It is a happy number.

It is not a de Polignac number, because 44574921 - 2² = 44574917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44574923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825435 + ... + 825488.

It is an arithmetic number, because the mean of its divisors is an integer number (8254620).

Almost surely, 2^44574921 is an apocalyptic number.

It is an amenable number.

44574921 is a deficient number, since it is larger than the sum of its proper divisors (21462039).

44574921 is a wasteful number, since it uses less digits than its factorization.

44574921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650932 (or 1650926 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 44574921 is about 6676.4452368008. The cubic root of 44574921 is about 354.5658144844.

The spelling of 44574921 in words is "forty-four million, five hundred seventy-four thousand, nine hundred twenty-one".