40723034 has 12 divisors (see below), whose sum is σ = 67142922. Its totient is φ = 18510360.

The previous prime is 40723031. The next prime is 40723043. The reversal of 40723034 is 43032704.

It is a happy number.

40723034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40005625 + 717409 = 6325^2 + 847^2 .

It is not an unprimeable number, because it can be changed into a prime (40723031) 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 5 ways as a sum of consecutive naturals, for example, 83897 + ... + 84380.

Almost surely, 2^40723034 is an apocalyptic number.

40723034 is a deficient number, since it is larger than the sum of its proper divisors (26419888).

40723034 is a wasteful number, since it uses less digits than its factorization.

40723034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168301 (or 168290 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 40723034 is about 6381.4601777336. The cubic root of 40723034 is about 344.0435146414.

Adding to 40723034 its reverse (43032704), we get a palindrome (83755738).

The spelling of 40723034 in words is "forty million, seven hundred twenty-three thousand, thirty-four".