44674781 has 2 divisors, whose sum is σ = 44674782. Its totient is φ = 44674780.

The previous prime is 44674733. The next prime is 44674783. The reversal of 44674781 is 18747644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36409156 + 8265625 = 6034^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 44674781 - 2¹⁰ = 44673757 is a prime.

It is a super-2 number, since 2×44674781² = 3991672114795922, which contains 22 as substring.

Together with 44674783, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2699681 and since 44674781 and 2699681 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44674783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22337390 + 22337391.

It is an arithmetic number, because the mean of its divisors is an integer number (22337391).

Almost surely, 2^44674781 is an apocalyptic number.

It is an amenable number.

44674781 is a deficient number, since it is larger than the sum of its proper divisors (1).

44674781 is an equidigital number, since it uses as much as digits as its factorization.

44674781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 44674781 is about 6683.9195835976. The cubic root of 44674781 is about 354.8303917690.

The spelling of 44674781 in words is "forty-four million, six hundred seventy-four thousand, seven hundred eighty-one".