40973873 has 2 divisors, whose sum is σ = 40973874. Its totient is φ = 40973872.

The previous prime is 40973869. The next prime is 40973923. The reversal of 40973873 is 37837904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32581264 + 8392609 = 5708^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 40973873 - 2² = 40973869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40973873.

It is not a weakly prime, because it can be changed into another prime (40973843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20486936 + 20486937.

It is an arithmetic number, because the mean of its divisors is an integer number (20486937).

Almost surely, 2^40973873 is an apocalyptic number.

It is an amenable number.

40973873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40973873 is an equidigital number, since it uses as much as digits as its factorization.

40973873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 40973873 is about 6401.0837363684. The cubic root of 40973873 is about 344.7484632941.

The spelling of 40973873 in words is "forty million, nine hundred seventy-three thousand, eight hundred seventy-three".