40788673 has 4 divisors (see below), whose sum is σ = 40801840. Its totient is φ = 40775508.

The previous prime is 40788667. The next prime is 40788679. The reversal of 40788673 is 37688704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (40788667) and next prime (40788679).

It is a cyclic number.

It is not a de Polignac number, because 40788673 - 2⁹ = 40788161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40788679) 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, 898 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (10200460).

Almost surely, 2^40788673 is an apocalyptic number.

It is an amenable number.

40788673 is a deficient number, since it is larger than the sum of its proper divisors (13167).

40788673 is an equidigital number, since it uses as much as digits as its factorization.

40788673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 40788673 is about 6386.6010522030. The cubic root of 40788673 is about 344.2282630722.

The spelling of 40788673 in words is "forty million, seven hundred eighty-eight thousand, six hundred seventy-three".