44973881 has 2 divisors, whose sum is σ = 44973882. Its totient is φ = 44973880.

The previous prime is 44973869. The next prime is 44973883. The reversal of 44973881 is 18837944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 16883881 = 5300^2 + 4109^2 .

It is a cyclic number.

It is not a de Polignac number, because 44973881 - 2²² = 40779577 is a prime.

It is a super-2 number, since 2×44973881² = 4045299944404322, which contains 22 as substring.

Together with 44973883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44973883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22486940 + 22486941.

It is an arithmetic number, because the mean of its divisors is an integer number (22486941).

Almost surely, 2^44973881 is an apocalyptic number.

It is an amenable number.

44973881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44973881 is an equidigital number, since it uses as much as digits as its factorization.

44973881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 44973881 is about 6706.2568546097. The cubic root of 44973881 is about 355.6205004666.

It can be divided in two parts, 44973 and 881, that added together give a palindrome (45854).

The spelling of 44973881 in words is "forty-four million, nine hundred seventy-three thousand, eight hundred eighty-one".