40723092 has 36 divisors (see below), whose sum is σ = 108995796. Its totient is φ = 12775680.

The previous prime is 40723079. The next prime is 40723093. The reversal of 40723092 is 29032704.

It can be written as a sum of positive squares in 2 ways, for example, as 33942276 + 6780816 = 5826^2 + 2604^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40723093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32659 + ... + 33882.

It is an arithmetic number, because the mean of its divisors is an integer number (3027661).

Almost surely, 2^40723092 is an apocalyptic number.

It is an amenable number.

40723092 is an abundant number, since it is smaller than the sum of its proper divisors (68272704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40723092 is a wasteful number, since it uses less digits than its factorization.

40723092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66568 (or 66563 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40723092 is about 6381.4647221465. The cubic root of 40723092 is about 344.0436779766.

Adding to 40723092 its reverse (29032704), we get a palindrome (69755796).

The spelling of 40723092 in words is "forty million, seven hundred twenty-three thousand, ninety-two".