71433769 has 8 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 64883760.

The previous prime is 71433763. The next prime is 71433773. The reversal of 71433769 is 96733417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71433769 - 2¹⁹ = 70909481 is a prime.

It is a super-2 number, since 2×71433769² = 10205566707090722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71433763) 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 in 7 ways as a sum of consecutive naturals, for example, 16024 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (9749376).

Almost surely, 2^71433769 is an apocalyptic number.

It is an amenable number.

71433769 is a deficient number, since it is larger than the sum of its proper divisors (6561239).

71433769 is a wasteful number, since it uses less digits than its factorization.

71433769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its digits is 95256, while the sum is 40.

The square root of 71433769 is about 8451.8500341641. The cubic root of 71433769 is about 414.9233302986.

The spelling of 71433769 in words is "seventy-one million, four hundred thirty-three thousand, seven hundred sixty-nine".