40744373 has 2 divisors, whose sum is σ = 40744374. Its totient is φ = 40744372.

The previous prime is 40744369. The next prime is 40744381. The reversal of 40744373 is 37344704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33895684 + 6848689 = 5822^2 + 2617^2 .

It is a cyclic number.

It is not a de Polignac number, because 40744373 - 2² = 40744369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40744343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372186 + 20372187.

It is an arithmetic number, because the mean of its divisors is an integer number (20372187).

Almost surely, 2^40744373 is an apocalyptic number.

It is an amenable number.

40744373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744373 is an equidigital number, since it uses as much as digits as its factorization.

40744373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40744373 is about 6383.1319115306. The cubic root of 40744373 is about 344.1035974486.

The spelling of 40744373 in words is "forty million, seven hundred forty-four thousand, three hundred seventy-three".