71333201 has 16 divisors (see below), whose sum is σ = 78090240. Its totient is φ = 64910160.

The previous prime is 71333179. The next prime is 71333237. The reversal of 71333201 is 10233317.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71333201 - 2¹⁸ = 71071057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71333261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95636 + ... + 96378.

It is an arithmetic number, because the mean of its divisors is an integer number (4880640).

Almost surely, 2^71333201 is an apocalyptic number.

It is an amenable number.

71333201 is a deficient number, since it is larger than the sum of its proper divisors (6757039).

71333201 is a wasteful number, since it uses less digits than its factorization.

71333201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 71333201 is about 8445.8984720395. The cubic root of 71333201 is about 414.7285223077.

Adding to 71333201 its reverse (10233317), we get a palindrome (81566518).

The spelling of 71333201 in words is "seventy-one million, three hundred thirty-three thousand, two hundred one".