40667473 has 16 divisors (see below), whose sum is σ = 52909056. Its totient is φ = 30309840.

The previous prime is 40667453. The next prime is 40667479. The reversal of 40667473 is 37476604.

It is not a de Polignac number, because 40667473 - 2²¹ = 38570321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40667479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9711 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (3306816).

Almost surely, 2^40667473 is an apocalyptic number.

It is an amenable number.

40667473 is a deficient number, since it is larger than the sum of its proper divisors (12241583).

40667473 is a wasteful number, since it uses less digits than its factorization.

40667473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 40667473 is about 6377.1053778341. The cubic root of 40667473 is about 343.8869766833.

The spelling of 40667473 in words is "forty million, six hundred sixty-seven thousand, four hundred seventy-three".