40633739 has 2 divisors, whose sum is σ = 40633740. Its totient is φ = 40633738.

The previous prime is 40633699. The next prime is 40633787. The reversal of 40633739 is 93733604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40633739 - 2²⁴ = 23856523 is a prime.

It is a super-2 number, since 2×40633739² = 3302201490240242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40633699 and 40633708.

It is not a weakly prime, because it can be changed into another prime (40633339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316869 + 20316870.

It is an arithmetic number, because the mean of its divisors is an integer number (20316870).

Almost surely, 2^40633739 is an apocalyptic number.

40633739 is a deficient number, since it is larger than the sum of its proper divisors (1).

40633739 is an equidigital number, since it uses as much as digits as its factorization.

40633739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 40633739 is about 6374.4598986895. The cubic root of 40633739 is about 343.7918646973.

The spelling of 40633739 in words is "forty million, six hundred thirty-three thousand, seven hundred thirty-nine".