40736533 has 4 divisors (see below), whose sum is σ = 40769568. Its totient is φ = 40703500.

The previous prime is 40736497. The next prime is 40736537. The reversal of 40736533 is 33563704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40736533 - 2⁹ = 40736021 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40736495 and 40736504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40736537) 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, 14593 + ... + 17158.

It is an arithmetic number, because the mean of its divisors is an integer number (10192392).

Almost surely, 2^40736533 is an apocalyptic number.

It is an amenable number.

40736533 is a deficient number, since it is larger than the sum of its proper divisors (33035).

40736533 is a wasteful number, since it uses less digits than its factorization.

40736533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33034.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 40736533 is about 6382.5177633909. The cubic root of 40736533 is about 344.0815253189.

The spelling of 40736533 in words is "forty million, seven hundred thirty-six thousand, five hundred thirty-three".