40004719 has 2 divisors, whose sum is σ = 40004720. Its totient is φ = 40004718.

The previous prime is 40004687. The next prime is 40004729. The reversal of 40004719 is 91740004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40004719 - 2⁵ = 40004687 is a prime.

It is a super-2 number, since 2×40004719² = 3200755084537922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40004693 and 40004702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40004729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002359 + 20002360.

It is an arithmetic number, because the mean of its divisors is an integer number (20002360).

Almost surely, 2^40004719 is an apocalyptic number.

40004719 is a deficient number, since it is larger than the sum of its proper divisors (1).

40004719 is an equidigital number, since it uses as much as digits as its factorization.

40004719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40004719 is about 6324.9283790411. The cubic root of 40004719 is about 342.0086377673.

The spelling of 40004719 in words is "forty million, four thousand, seven hundred nineteen".