44427457 has 2 divisors, whose sum is σ = 44427458. Its totient is φ = 44427456.

The previous prime is 44427431. The next prime is 44427463. The reversal of 44427457 is 75472444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38551681 + 5875776 = 6209^2 + 2424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44427457 is a prime.

It is not a weakly prime, because it can be changed into another prime (44427407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22213728 + 22213729.

It is an arithmetic number, because the mean of its divisors is an integer number (22213729).

Almost surely, 2^44427457 is an apocalyptic number.

It is an amenable number.

44427457 is a deficient number, since it is larger than the sum of its proper divisors (1).

44427457 is an equidigital number, since it uses as much as digits as its factorization.

44427457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 37.

The square root of 44427457 is about 6665.3924865682. The cubic root of 44427457 is about 354.1743876764.

The spelling of 44427457 in words is "forty-four million, four hundred twenty-seven thousand, four hundred fifty-seven".