44621272 has 32 divisors (see below), whose sum is σ = 90129600. Its totient is φ = 20641824.

The previous prime is 44621257. The next prime is 44621273. The reversal of 44621272 is 27212644.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44621272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44621273) 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, 3123 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (2816550).

Almost surely, 2^44621272 is an apocalyptic number.

It is an amenable number.

44621272 is an abundant number, since it is smaller than the sum of its proper divisors (45508328).

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

44621272 is a wasteful number, since it uses less digits than its factorization.

44621272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895 (or 6891 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 44621272 is about 6679.9155683287. The cubic root of 44621272 is about 354.6886697174.

The spelling of 44621272 in words is "forty-four million, six hundred twenty-one thousand, two hundred seventy-two".