44345772 has 48 divisors (see below), whose sum is σ = 121027200. Its totient is φ = 14003280.

The previous prime is 44345747. The next prime is 44345773. The reversal of 44345772 is 27754344.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (44345773) 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, 8754 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (2521400).

Almost surely, 2^44345772 is an apocalyptic number.

It is an amenable number.

44345772 is an abundant number, since it is smaller than the sum of its proper divisors (76681428).

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

44345772 is a wasteful number, since it uses less digits than its factorization.

44345772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643 (or 21635 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 44345772 is about 6659.2621212864. The cubic root of 44345772 is about 353.9571910313.

The spelling of 44345772 in words is "forty-four million, three hundred forty-five thousand, seven hundred seventy-two".