40973293 has 4 divisors (see below), whose sum is σ = 41746428. Its totient is φ = 40200160.

The previous prime is 40973267. The next prime is 40973299. The reversal of 40973293 is 39237904.

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 15389929 + 25583364 = 3923^2 + 5058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40973293 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 (40973299) 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, 386488 + ... + 386593.

It is an arithmetic number, because the mean of its divisors is an integer number (10436607).

Almost surely, 2^40973293 is an apocalyptic number.

It is an amenable number.

40973293 is a deficient number, since it is larger than the sum of its proper divisors (773135).

40973293 is an equidigital number, since it uses as much as digits as its factorization.

40973293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773134.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 40973293 is about 6401.0384313797. The cubic root of 40973293 is about 344.7468366066.

The spelling of 40973293 in words is "forty million, nine hundred seventy-three thousand, two hundred ninety-three".