71385537360 has 80 divisors (see below), whose sum is σ = 221321888064. Its totient is φ = 19033844736.

The previous prime is 71385537359. The next prime is 71385537373. The reversal of 71385537360 is 6373558317.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 3097239 + ... + 3120201.

Almost surely, 2^71385537360 is an apocalyptic number.

It is an amenable number.

71385537360 is an abundant number, since it is smaller than the sum of its proper divisors (149936350704).

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

71385537360 is a wasteful number, since it uses less digits than its factorization.

71385537360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35932 (or 35926 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 71385537360 in words is "seventy-one billion, three hundred eighty-five million, five hundred thirty-seven thousand, three hundred sixty".