40294973 has 2 divisors, whose sum is σ = 40294974. Its totient is φ = 40294972.

The previous prime is 40294967. The next prime is 40294979. The reversal of 40294973 is 37949204.

It is a balanced prime because it is at equal distance from previous prime (40294967) and next prime (40294979).

It can be written as a sum of positive squares in only one way, i.e., 31663129 + 8631844 = 5627^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 40294973 - 2⁴ = 40294957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40294979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20147486 + 20147487.

It is an arithmetic number, because the mean of its divisors is an integer number (20147487).

Almost surely, 2^40294973 is an apocalyptic number.

It is an amenable number.

40294973 is a deficient number, since it is larger than the sum of its proper divisors (1).

40294973 is an equidigital number, since it uses as much as digits as its factorization.

40294973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 40294973 is about 6347.8321496397. The cubic root of 40294973 is about 342.8337925483.

The spelling of 40294973 in words is "forty million, two hundred ninety-four thousand, nine hundred seventy-three".