44625921 has 4 divisors (see below), whose sum is σ = 59501232. Its totient is φ = 29750612.

The previous prime is 44625887. The next prime is 44625923. The reversal of 44625921 is 12952644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44625921 - 2⁷ = 44625793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44625923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7437651 + ... + 7437656.

It is an arithmetic number, because the mean of its divisors is an integer number (14875308).

Almost surely, 2^44625921 is an apocalyptic number.

It is an amenable number.

44625921 is a deficient number, since it is larger than the sum of its proper divisors (14875311).

44625921 is a wasteful number, since it uses less digits than its factorization.

44625921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14875310.

The product of its digits is 17280, while the sum is 33.

The square root of 44625921 is about 6680.2635427055. The cubic root of 44625921 is about 354.7009873878.

The spelling of 44625921 in words is "forty-four million, six hundred twenty-five thousand, nine hundred twenty-one".