44778373 has 2 divisors, whose sum is σ = 44778374. Its totient is φ = 44778372.

The previous prime is 44778359. The next prime is 44778389. The reversal of 44778373 is 37387744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23406244 + 21372129 = 4838^2 + 4623^2 .

It is a cyclic number.

It is not a de Polignac number, because 44778373 - 2⁵ = 44778341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44778343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22389186 + 22389187.

It is an arithmetic number, because the mean of its divisors is an integer number (22389187).

Almost surely, 2^44778373 is an apocalyptic number.

It is an amenable number.

44778373 is a deficient number, since it is larger than the sum of its proper divisors (1).

44778373 is an equidigital number, since it uses as much as digits as its factorization.

44778373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 43.

The square root of 44778373 is about 6691.6644416767. The cubic root of 44778373 is about 355.1044406057.

The spelling of 44778373 in words is "forty-four million, seven hundred seventy-eight thousand, three hundred seventy-three".