44721201 has 16 divisors (see below), whose sum is σ = 69810048. Its totient is φ = 24931200.

The previous prime is 44721191. The next prime is 44721211. The reversal of 44721201 is 10212744.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44721191) and next prime (44721211).

It is not a de Polignac number, because 44721201 - 2⁶ = 44721137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (44721211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25110 + ... + 26831.

It is an arithmetic number, because the mean of its divisors is an integer number (4363128).

Almost surely, 2^44721201 is an apocalyptic number.

44721201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44721201 is a deficient number, since it is larger than the sum of its proper divisors (25088847).

44721201 is a wasteful number, since it uses less digits than its factorization.

44721201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51992.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 44721201 is about 6687.3911953766. The cubic root of 44721201 is about 354.9532465043.

Adding to 44721201 its reverse (10212744), we get a palindrome (54933945).

The spelling of 44721201 in words is "forty-four million, seven hundred twenty-one thousand, two hundred one".