40073379 has 4 divisors (see below), whose sum is σ = 53431176. Its totient is φ = 26715584.

The previous prime is 40073357. The next prime is 40073381. The reversal of 40073379 is 97337004.

40073379 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 is a cyclic number.

It is not a de Polignac number, because 40073379 - 2⁸ = 40073123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40073329) 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, 6678894 + ... + 6678899.

It is an arithmetic number, because the mean of its divisors is an integer number (13357794).

Almost surely, 2^40073379 is an apocalyptic number.

40073379 is a deficient number, since it is larger than the sum of its proper divisors (13357797).

40073379 is a wasteful number, since it uses less digits than its factorization.

40073379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357796.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 40073379 is about 6330.3537815828. The cubic root of 40073379 is about 342.2041887943.

The spelling of 40073379 in words is "forty million, seventy-three thousand, three hundred seventy-nine".