40947506 has 4 divisors (see below), whose sum is σ = 61421262. Its totient is φ = 20473752.

The previous prime is 40947499. The next prime is 40947541. The reversal of 40947506 is 60574904.

40947506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 434281 = 6365^2 + 659^2 .

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 as a sum of consecutive naturals, namely, 10236875 + ... + 10236878.

Almost surely, 2^40947506 is an apocalyptic number.

40947506 is a deficient number, since it is larger than the sum of its proper divisors (20473756).

40947506 is a wasteful number, since it uses less digits than its factorization.

40947506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20473755.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 40947506 is about 6399.0238318043. The cubic root of 40947506 is about 344.6744980036.

The spelling of 40947506 in words is "forty million, nine hundred forty-seven thousand, five hundred six".