40872973 has 8 divisors (see below), whose sum is σ = 42288896. Its totient is φ = 39463200.

The previous prime is 40872959. The next prime is 40873013. The reversal of 40872973 is 37927804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40872973 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 (40872373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14953 + ... + 17473.

It is an arithmetic number, because the mean of its divisors is an integer number (5286112).

Almost surely, 2^40872973 is an apocalyptic number.

It is an amenable number.

40872973 is a deficient number, since it is larger than the sum of its proper divisors (1415923).

40872973 is a wasteful number, since it uses less digits than its factorization.

40872973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 40872973 is about 6393.1974003624. The cubic root of 40872973 is about 344.4652445026.

The spelling of 40872973 in words is "forty million, eight hundred seventy-two thousand, nine hundred seventy-three".