71607667272 has 64 divisors (see below), whose sum is σ = 181349068800. Its totient is φ = 23558783040.

The previous prime is 71607667253. The next prime is 71607667363. The reversal of 71607667272 is 27276670617.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7789863 + ... + 7799049.

It is an arithmetic number, because the mean of its divisors is an integer number (2833579200).

Almost surely, 2^71607667272 is an apocalyptic number.

It is an amenable number.

71607667272 is an abundant number, since it is smaller than the sum of its proper divisors (109741401528).

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

71607667272 is a wasteful number, since it uses less digits than its factorization.

71607667272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13386 (or 13382 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 71607667272 in words is "seventy-one billion, six hundred seven million, six hundred sixty-seven thousand, two hundred seventy-two".