40473975 has 12 divisors (see below), whose sum is σ = 66917096. Its totient is φ = 21586080.

The previous prime is 40473949. The next prime is 40474067. The reversal of 40473975 is 57937404.

It is not a de Polignac number, because 40473975 - 2⁶ = 40473911 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269752 + ... + 269901.

Almost surely, 2^40473975 is an apocalyptic number.

40473975 is a deficient number, since it is larger than the sum of its proper divisors (26443121).

40473975 is a wasteful number, since it uses less digits than its factorization.

40473975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539666 (or 539661 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 40473975 is about 6361.9159849844. The cubic root of 40473975 is about 343.3406985150.

The spelling of 40473975 in words is "forty million, four hundred seventy-three thousand, nine hundred seventy-five".