71683475461 has 16 divisors (see below), whose sum is σ = 78097219200. Its totient is φ = 65401080768.

The previous prime is 71683475431. The next prime is 71683475477. The reversal of 71683475461 is 16457438617.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71683475461 - 2²¹ = 71681378309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71683475399 and 71683475408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71683475411) 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, 551955 + ... + 669343.

It is an arithmetic number, because the mean of its divisors is an integer number (4881076200).

Almost surely, 2^71683475461 is an apocalyptic number.

It is an amenable number.

71683475461 is a deficient number, since it is larger than the sum of its proper divisors (6413743739).

71683475461 is a wasteful number, since it uses less digits than its factorization.

71683475461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117948.

The product of its digits is 3386880, while the sum is 52.

The spelling of 71683475461 in words is "seventy-one billion, six hundred eighty-three million, four hundred seventy-five thousand, four hundred sixty-one".