40633743 has 4 divisors (see below), whose sum is σ = 54178328. Its totient is φ = 27089160.

The previous prime is 40633739. The next prime is 40633787. The reversal of 40633743 is 34733604.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40633743 - 2² = 40633739 is a prime.

It is a super-2 number, since 2×40633743² = 3302202140380098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40633743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40633793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6772288 + ... + 6772293.

It is an arithmetic number, because the mean of its divisors is an integer number (13544582).

Almost surely, 2^40633743 is an apocalyptic number.

40633743 is a deficient number, since it is larger than the sum of its proper divisors (13544585).

40633743 is a wasteful number, since it uses less digits than its factorization.

40633743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544584.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 40633743 is about 6374.4602124415. The cubic root of 40633743 is about 343.7918759783.

The spelling of 40633743 in words is "forty million, six hundred thirty-three thousand, seven hundred forty-three".