40473447 has 16 divisors (see below), whose sum is σ = 65302272. Its totient is φ = 21767040.

The previous prime is 40473421. The next prime is 40473467. The reversal of 40473447 is 74437404.

It is not a de Polignac number, because 40473447 - 2⁷ = 40473319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40473467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56329 + ... + 57042.

It is an arithmetic number, because the mean of its divisors is an integer number (4081392).

Almost surely, 2^40473447 is an apocalyptic number.

40473447 is a deficient number, since it is larger than the sum of its proper divisors (24828825).

40473447 is a wasteful number, since it uses less digits than its factorization.

40473447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113398.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 40473447 is about 6361.8744879163. The cubic root of 40473447 is about 343.3392055007.

The spelling of 40473447 in words is "forty million, four hundred seventy-three thousand, four hundred forty-seven".