40824073 has 2 divisors, whose sum is σ = 40824074. Its totient is φ = 40824072.

The previous prime is 40824019. The next prime is 40824107. The reversal of 40824073 is 37042804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33790969 + 7033104 = 5813^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 40824073 - 2²⁵ = 7269641 is a prime.

It is not a weakly prime, because it can be changed into another prime (40824013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412036 + 20412037.

It is an arithmetic number, because the mean of its divisors is an integer number (20412037).

Almost surely, 2^40824073 is an apocalyptic number.

It is an amenable number.

40824073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40824073 is an equidigital number, since it uses as much as digits as its factorization.

40824073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 40824073 is about 6389.3718783618. The cubic root of 40824073 is about 344.3278181370.

Adding to 40824073 its reverse (37042804), we get a palindrome (77866877).

The spelling of 40824073 in words is "forty million, eight hundred twenty-four thousand, seventy-three".