4072819 has 2 divisors, whose sum is σ = 4072820. Its totient is φ = 4072818.

The previous prime is 4072813. The next prime is 4072837. The reversal of 4072819 is 9182704.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4072819 is a prime.

It is a super-2 number, since 2×4072819² = 33175709213522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4072813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036409 + 2036410.

It is an arithmetic number, because the mean of its divisors is an integer number (2036410).

Almost surely, 2^4072819 is an apocalyptic number.

4072819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072819 is an equidigital number, since it uses as much as digits as its factorization.

4072819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4072819 is about 2018.1226424576. The cubic root of 4072819 is about 159.6975928596.

The spelling of 4072819 in words is "four million, seventy-two thousand, eight hundred nineteen".