4030071 has 16 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 2395008.

The previous prime is 4030069. The next prime is 4030121. The reversal of 4030071 is 1700304.

It is not a de Polignac number, because 4030071 - 2¹ = 4030069 is a prime.

4030071 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4030071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 2^4030071 is an apocalyptic number.

4030071 is a deficient number, since it is larger than the sum of its proper divisors (1960329).

4030071 is a wasteful number, since it uses less digits than its factorization.

4030071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 4030071 is about 2007.5036737202. The cubic root of 4030071 is about 159.1369019874.

Adding to 4030071 its reverse (1700304), we get a palindrome (5730375).

The spelling of 4030071 in words is "four million, thirty thousand, seventy-one".