40574047 has 4 divisors (see below), whose sum is σ = 42338160. Its totient is φ = 38809936.

The previous prime is 40574029. The next prime is 40574059. The reversal of 40574047 is 74047504.

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 40574047 - 2⁷ = 40573919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40574147) 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, 882022 + ... + 882067.

It is an arithmetic number, because the mean of its divisors is an integer number (10584540).

Almost surely, 2^40574047 is an apocalyptic number.

40574047 is a deficient number, since it is larger than the sum of its proper divisors (1764113).

40574047 is a wasteful number, since it uses less digits than its factorization.

40574047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764112.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 40574047 is about 6369.7760557181. The cubic root of 40574047 is about 343.6234358528.

The spelling of 40574047 in words is "forty million, five hundred seventy-four thousand, forty-seven".