40754533 has 4 divisors (see below), whose sum is σ = 41748588. Its totient is φ = 39760480.

The previous prime is 40754521. The next prime is 40754561. The reversal of 40754533 is 33545704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 15984004 = 4977^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 40754533 - 2²⁵ = 7200101 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 = 40754495 and 40754504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40754333) 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, 496966 + ... + 497047.

It is an arithmetic number, because the mean of its divisors is an integer number (10437147).

Almost surely, 2^40754533 is an apocalyptic number.

It is an amenable number.

40754533 is a deficient number, since it is larger than the sum of its proper divisors (994055).

40754533 is an equidigital number, since it uses as much as digits as its factorization.

40754533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994054.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 40754533 is about 6383.9277094905. The cubic root of 40754533 is about 344.1321969151.

The spelling of 40754533 in words is "forty million, seven hundred fifty-four thousand, five hundred thirty-three".