40724633 has 2 divisors, whose sum is σ = 40724634. Its totient is φ = 40724632.

The previous prime is 40724623. The next prime is 40724647. The reversal of 40724633 is 33642704.

It is a happy number.

40724633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 3794704 = 6077^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 40724633 - 2⁸ = 40724377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40724596 and 40724605.

It is not a weakly prime, because it can be changed into another prime (40724623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20362316 + 20362317.

It is an arithmetic number, because the mean of its divisors is an integer number (20362317).

Almost surely, 2^40724633 is an apocalyptic number.

It is an amenable number.

40724633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40724633 is an equidigital number, since it uses as much as digits as its factorization.

40724633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 40724633 is about 6381.5854613098. The cubic root of 40724633 is about 344.0480175670.

The spelling of 40724633 in words is "forty million, seven hundred twenty-four thousand, six hundred thirty-three".