40723036 has 12 divisors (see below), whose sum is σ = 71321040. Its totient is φ = 20345600.

The previous prime is 40723031. The next prime is 40723043. The reversal of 40723036 is 63032704.

40723036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40723036² = 3316731322114592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40723036.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3225 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (5943420).

Almost surely, 2^40723036 is an apocalyptic number.

It is an amenable number.

40723036 is a deficient number, since it is larger than the sum of its proper divisors (30598004).

40723036 is a wasteful number, since it uses less digits than its factorization.

40723036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964 (or 7962 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40723036 is about 6381.4603344376. The cubic root of 40723036 is about 344.0435202736.

The spelling of 40723036 in words is "forty million, seven hundred twenty-three thousand, thirty-six".