44721330 has 16 divisors (see below), whose sum is σ = 107331264. Its totient is φ = 11925680.

The previous prime is 44721323. The next prime is 44721331. The reversal of 44721330 is 3312744.

It is a self number, because there is not a number n which added to its sum of digits gives 44721330.

It is not an unprimeable number, because it can be changed into a prime (44721331) 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, 745326 + ... + 745385.

It is an arithmetic number, because the mean of its divisors is an integer number (6708204).

Almost surely, 2^44721330 is an apocalyptic number.

44721330 is an abundant number, since it is smaller than the sum of its proper divisors (62609934).

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

44721330 is a wasteful number, since it uses less digits than its factorization.

44721330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490721.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 44721330 is about 6687.4008403863. The cubic root of 44721330 is about 354.9535877960.

The spelling of 44721330 in words is "forty-four million, seven hundred twenty-one thousand, three hundred thirty".