44390173 has 2 divisors, whose sum is σ = 44390174. Its totient is φ = 44390172.

The previous prime is 44390153. The next prime is 44390189. The reversal of 44390173 is 37109344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41641209 + 2748964 = 6453^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 44390173 - 2⁹ = 44389661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44390153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22195086 + 22195087.

It is an arithmetic number, because the mean of its divisors is an integer number (22195087).

Almost surely, 2^44390173 is an apocalyptic number.

It is an amenable number.

44390173 is a deficient number, since it is larger than the sum of its proper divisors (1).

44390173 is an equidigital number, since it uses as much as digits as its factorization.

44390173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 44390173 is about 6662.5950649878. The cubic root of 44390173 is about 354.0752842958.

The spelling of 44390173 in words is "forty-four million, three hundred ninety thousand, one hundred seventy-three".