40743895 has 4 divisors (see below), whose sum is σ = 48892680. Its totient is φ = 32595112.

The previous prime is 40743893. The next prime is 40743907. The reversal of 40743895 is 59834704.

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

It is a cyclic number.

It is not a de Polignac number, because 40743895 - 2¹ = 40743893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4074385 + ... + 4074394.

It is an arithmetic number, because the mean of its divisors is an integer number (12223170).

Almost surely, 2^40743895 is an apocalyptic number.

40743895 is a deficient number, since it is larger than the sum of its proper divisors (8148785).

40743895 is an equidigital number, since it uses as much as digits as its factorization.

40743895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148784.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 40743895 is about 6383.0944689860. The cubic root of 40743895 is about 344.1022518054.

The spelling of 40743895 in words is "forty million, seven hundred forty-three thousand, eight hundred ninety-five".