71432011 has 8 divisors (see below), whose sum is σ = 86438880. Its totient is φ = 57625728.

The previous prime is 71431999. The next prime is 71432027. The reversal of 71432011 is 11023417.

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 71432011 - 2⁹ = 71431499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71432011.

It is not an unprimeable number, because it can be changed into a prime (71432071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300016 + ... + 300253.

It is an arithmetic number, because the mean of its divisors is an integer number (10804860).

Almost surely, 2^71432011 is an apocalyptic number.

71432011 is a deficient number, since it is larger than the sum of its proper divisors (15006869).

71432011 is a wasteful number, since it uses less digits than its factorization.

71432011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600293.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 71432011 is about 8451.7460326254. The cubic root of 71432011 is about 414.9199264874.

Adding to 71432011 its reverse (11023417), we get a palindrome (82455428).

The spelling of 71432011 in words is "seventy-one million, four hundred thirty-two thousand, eleven".