40743506 has 8 divisors (see below), whose sum is σ = 61656444. Its totient is φ = 20191360.

The previous prime is 40743499. The next prime is 40743529. The reversal of 40743506 is 60534704.

40743506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40005625 + 737881 = 6325^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89915 + ... + 90366.

Almost surely, 2^40743506 is an apocalyptic number.

40743506 is a deficient number, since it is larger than the sum of its proper divisors (20912938).

40743506 is a wasteful number, since it uses less digits than its factorization.

40743506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180396.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40743506 is about 6383.0639977992. The cubic root of 40743506 is about 344.1011567031.

The spelling of 40743506 in words is "forty million, seven hundred forty-three thousand, five hundred six".