71267772076 has 24 divisors (see below), whose sum is σ = 126404908560. Its totient is φ = 35153893632.

The previous prime is 71267772067. The next prime is 71267772077. The reversal of 71267772076 is 67027776217.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71267772077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68241 + ... + 383656.

It is an arithmetic number, because the mean of its divisors is an integer number (5266871190).

Almost surely, 2^71267772076 is an apocalyptic number.

It is an amenable number.

71267772076 is a deficient number, since it is larger than the sum of its proper divisors (55137136484).

71267772076 is a wasteful number, since it uses less digits than its factorization.

71267772076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452433 (or 452431 counting only the distinct ones).

The product of its (nonzero) digits is 2420208, while the sum is 52.

The spelling of 71267772076 in words is "seventy-one billion, two hundred sixty-seven million, seven hundred seventy-two thousand, seventy-six".