40116973 has 4 divisors (see below), whose sum is σ = 43202908. Its totient is φ = 37031040.

The previous prime is 40116959. The next prime is 40116977. The reversal of 40116973 is 37961104.

It is a happy number.

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 8779369 + 31337604 = 2963^2 + 5598^2 .

It is a cyclic number.

It is not a de Polignac number, because 40116973 - 2⁵ = 40116941 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 (40116977) 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, 1542948 + ... + 1542973.

It is an arithmetic number, because the mean of its divisors is an integer number (10800727).

Almost surely, 2^40116973 is an apocalyptic number.

It is an amenable number.

40116973 is a deficient number, since it is larger than the sum of its proper divisors (3085935).

40116973 is a wasteful number, since it uses less digits than its factorization.

40116973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085934.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 40116973 is about 6333.7960971285. The cubic root of 40116973 is about 342.3282332638.

The spelling of 40116973 in words is "forty million, one hundred sixteen thousand, nine hundred seventy-three".