40736073 has 16 divisors (see below), whose sum is σ = 62167040. Its totient is φ = 23242896.

The previous prime is 40736071. The next prime is 40736081. The reversal of 40736073 is 37063704.

40736073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40736073 - 2¹ = 40736071 is a prime.

It is a super-2 number, since 2×40736073² = 3318855286922658, which contains 22 as substring.

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 40736073.

It is not an unprimeable number, because it can be changed into a prime (40736071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20886 + ... + 22752.

It is an arithmetic number, because the mean of its divisors is an integer number (3885440).

Almost surely, 2^40736073 is an apocalyptic number.

It is an amenable number.

40736073 is a deficient number, since it is larger than the sum of its proper divisors (21430967).

40736073 is a wasteful number, since it uses less digits than its factorization.

40736073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916.

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

The square root of 40736073 is about 6382.4817273534. The cubic root of 40736073 is about 344.0802301825.

Adding to 40736073 its reverse (37063704), we get a palindrome (77799777).

The spelling of 40736073 in words is "forty million, seven hundred thirty-six thousand, seventy-three".