71252807162 has 4 divisors (see below), whose sum is σ = 106879210746. Its totient is φ = 35626403580.

The previous prime is 71252807141. The next prime is 71252807173. The reversal of 71252807162 is 26170825217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26170825217 = 211 ⋅124032347.

It can be written as a sum of positive squares in only one way, i.e., 62564516641 + 8688290521 = 250129^2 + 93211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17813201789 + ... + 17813201792.

Almost surely, 2^71252807162 is an apocalyptic number.

71252807162 is a deficient number, since it is larger than the sum of its proper divisors (35626403584).

71252807162 is a wasteful number, since it uses less digits than its factorization.

71252807162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35626403583.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 71252807162 in words is "seventy-one billion, two hundred fifty-two million, eight hundred seven thousand, one hundred sixty-two".