40075417 has 2 divisors, whose sum is σ = 40075418. Its totient is φ = 40075416.

The previous prime is 40075393. The next prime is 40075423. The reversal of 40075417 is 71457004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 687241 = 6276^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 40075417 - 2⁷ = 40075289 is a prime.

It is equal to p_2437930 and since 40075417 and 2437930 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40075117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20037708 + 20037709.

It is an arithmetic number, because the mean of its divisors is an integer number (20037709).

Almost surely, 2^40075417 is an apocalyptic number.

It is an amenable number.

40075417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40075417 is an equidigital number, since it uses as much as digits as its factorization.

40075417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 40075417 is about 6330.5147500026. The cubic root of 40075417 is about 342.2099898217.

The spelling of 40075417 in words is "forty million, seventy-five thousand, four hundred seventeen".