40723733 has 4 divisors (see below), whose sum is σ = 40948908. Its totient is φ = 40498560.

The previous prime is 40723729. The next prime is 40723741. The reversal of 40723733 is 33732704.

40723733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18464209 + 22259524 = 4297^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 40723733 - 2² = 40723729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40723696 and 40723705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40723433) 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, 112316 + ... + 112677.

It is an arithmetic number, because the mean of its divisors is an integer number (10237227).

Almost surely, 2^40723733 is an apocalyptic number.

It is an amenable number.

40723733 is a deficient number, since it is larger than the sum of its proper divisors (225175).

40723733 is a wasteful number, since it uses less digits than its factorization.

40723733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225174.

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 40723733 is about 6381.5149455282. The cubic root of 40723733 is about 344.0454831018.

The spelling of 40723733 in words is "forty million, seven hundred twenty-three thousand, seven hundred thirty-three".