71435201 has 4 divisors (see below), whose sum is σ = 71501652. Its totient is φ = 71368752.

The previous prime is 71435183. The next prime is 71435251. The reversal of 71435201 is 10253417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69288976 + 2146225 = 8324^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 71435201 - 2²² = 67240897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71435251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31586 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (17875413).

Almost surely, 2^71435201 is an apocalyptic number.

It is an amenable number.

71435201 is a deficient number, since it is larger than the sum of its proper divisors (66451).

71435201 is a wasteful number, since it uses less digits than its factorization.

71435201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66450.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 71435201 is about 8451.9347489199. The cubic root of 71435201 is about 414.9261028726.

Adding to 71435201 its reverse (10253417), we get a palindrome (81688618).

The spelling of 71435201 in words is "seventy-one million, four hundred thirty-five thousand, two hundred one".