71275075202 has 4 divisors (see below), whose sum is σ = 106912612806. Its totient is φ = 35637537600.

The previous prime is 71275075187. The next prime is 71275075213. The reversal of 71275075202 is 20257057217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20257057217 = 17 ⋅1191591601.

It can be written as a sum of positive squares in only one way, i.e., 42160819561 + 29114255641 = 205331^2 + 170629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17818768799 + ... + 17818768802.

Almost surely, 2^71275075202 is an apocalyptic number.

71275075202 is a deficient number, since it is larger than the sum of its proper divisors (35637537604).

71275075202 is a wasteful number, since it uses less digits than its factorization.

71275075202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35637537603.

The product of its (nonzero) digits is 68600, while the sum is 38.

The spelling of 71275075202 in words is "seventy-one billion, two hundred seventy-five million, seventy-five thousand, two hundred two".