44720773 has 8 divisors (see below), whose sum is σ = 45303192. Its totient is φ = 44142336.

The previous prime is 44720743. The next prime is 44720789. The reversal of 44720773 is 37702744.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17032129 + 27688644 = 4127^2 + 5262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44720773 - 2⁹ = 44720261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44720713) 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 7 ways as a sum of consecutive naturals, for example, 26161 + ... + 27817.

It is an arithmetic number, because the mean of its divisors is an integer number (5662899).

Almost surely, 2^44720773 is an apocalyptic number.

It is an amenable number.

44720773 is a deficient number, since it is larger than the sum of its proper divisors (582419).

44720773 is a wasteful number, since it uses less digits than its factorization.

44720773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 44720773 is about 6687.3591947794. The cubic root of 44720773 is about 354.9521141520.

The spelling of 44720773 in words is "forty-four million, seven hundred twenty thousand, seven hundred seventy-three".