40073570 has 16 divisors (see below), whose sum is σ = 72283320. Its totient is φ = 15995904.

The previous prime is 40073531. The next prime is 40073587. The reversal of 40073570 is 7537004.

40073570 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 4 ways, for example, as 27321529 + 12752041 = 5227^2 + 3571^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 9026.

Almost surely, 2^40073570 is an apocalyptic number.

40073570 is a deficient number, since it is larger than the sum of its proper divisors (32209750).

40073570 is a wasteful number, since it uses less digits than its factorization.

40073570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 40073570 is about 6330.3688676095. The cubic root of 40073570 is about 342.2047324711.

The spelling of 40073570 in words is "forty million, seventy-three thousand, five hundred seventy".