71372477764 has 48 divisors (see below), whose sum is σ = 143208172800. Its totient is φ = 30489088896.

The previous prime is 71372477749. The next prime is 71372477791. The reversal of 71372477764 is 46777427317.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16874802 + ... + 16879030.

It is an arithmetic number, because the mean of its divisors is an integer number (2983503600).

Almost surely, 2^71372477764 is an apocalyptic number.

It is an amenable number.

71372477764 is an abundant number, since it is smaller than the sum of its proper divisors (71835695036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71372477764 is a wasteful number, since it uses less digits than its factorization.

71372477764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052 (or 6050 counting only the distinct ones).

The product of its digits is 9680832, while the sum is 55.

The spelling of 71372477764 in words is "seventy-one billion, three hundred seventy-two million, four hundred seventy-seven thousand, seven hundred sixty-four".