40306773 has 8 divisors (see below), whose sum is σ = 57876448. Its totient is φ = 24804144.

The previous prime is 40306769. The next prime is 40306811. The reversal of 40306773 is 37760304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40306773 - 2² = 40306769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40306773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40306073) 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 7 ways as a sum of consecutive naturals, for example, 516715 + ... + 516792.

It is an arithmetic number, because the mean of its divisors is an integer number (7234556).

Almost surely, 2^40306773 is an apocalyptic number.

It is an amenable number.

40306773 is a deficient number, since it is larger than the sum of its proper divisors (17569675).

40306773 is a wasteful number, since it uses less digits than its factorization.

40306773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033523.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 40306773 is about 6348.7615327716. The cubic root of 40306773 is about 342.8672544885.

The spelling of 40306773 in words is "forty million, three hundred six thousand, seven hundred seventy-three".