40059973 has 4 divisors (see below), whose sum is σ = 42416460. Its totient is φ = 37703488.

The previous prime is 40059953. The next prime is 40059977. The reversal of 40059973 is 37995004.

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 23794884 + 16265089 = 4878^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 40059973 - 2⁵ = 40059941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40059977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178218 + ... + 1178251.

It is an arithmetic number, because the mean of its divisors is an integer number (10604115).

Almost surely, 2^40059973 is an apocalyptic number.

It is an amenable number.

40059973 is a deficient number, since it is larger than the sum of its proper divisors (2356487).

40059973 is a wasteful number, since it uses less digits than its factorization.

40059973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356486.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 40059973 is about 6329.2948264400. The cubic root of 40059973 is about 342.1660246303.

Subtracting from 40059973 its reverse (37995004), we obtain a square (2064969 = 1437²).

The spelling of 40059973 in words is "forty million, fifty-nine thousand, nine hundred seventy-three".