40762321 has 2 divisors, whose sum is σ = 40762322. Its totient is φ = 40762320.

The previous prime is 40762297. The next prime is 40762327. The reversal of 40762321 is 12326704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37075921 + 3686400 = 6089^2 + 1920^2 .

It is a cyclic number.

It is not a de Polignac number, because 40762321 - 2⁵ = 40762289 is a prime.

It is not a weakly prime, because it can be changed into another prime (40762327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20381160 + 20381161.

It is an arithmetic number, because the mean of its divisors is an integer number (20381161).

Almost surely, 2^40762321 is an apocalyptic number.

It is an amenable number.

40762321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40762321 is an equidigital number, since it uses as much as digits as its factorization.

40762321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40762321 is about 6384.5376496658. The cubic root of 40762321 is about 344.1541162015.

The spelling of 40762321 in words is "forty million, seven hundred sixty-two thousand, three hundred twenty-one".