71467272408 has 128 divisors (see below), whose sum is σ = 208867461120. Its totient is φ = 19953077760.

The previous prime is 71467272397. The next prime is 71467272427. The reversal of 71467272408 is 80427276417.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 5212410 + ... + 5226102.

It is an arithmetic number, because the mean of its divisors is an integer number (1631777040).

Almost surely, 2^71467272408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71467272408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104433730560).

71467272408 is an abundant number, since it is smaller than the sum of its proper divisors (137400188712).

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

71467272408 is a wasteful number, since it uses less digits than its factorization.

71467272408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14417 (or 14413 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 71467272408 in words is "seventy-one billion, four hundred sixty-seven million, two hundred seventy-two thousand, four hundred eight".