44711721 has 6 divisors (see below), whose sum is σ = 64583610. Its totient is φ = 29807808.

The previous prime is 44711687. The next prime is 44711729. The reversal of 44711721 is 12711744.

It can be written as a sum of positive squares in only one way, i.e., 43086096 + 1625625 = 6564^2 + 1275^2 .

It is not a de Polignac number, because 44711721 - 2⁷ = 44711593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44711729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2483976 + ... + 2483993.

It is an arithmetic number, because the mean of its divisors is an integer number (10763935).

Almost surely, 2^44711721 is an apocalyptic number.

It is an amenable number.

44711721 is a deficient number, since it is larger than the sum of its proper divisors (19871889).

44711721 is a wasteful number, since it uses less digits than its factorization.

44711721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967975 (or 4967972 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 44711721 is about 6686.6823612312. The cubic root of 44711721 is about 354.9281637360.

The spelling of 44711721 in words is "forty-four million, seven hundred eleven thousand, seven hundred twenty-one".