71467855432 has 32 divisors (see below), whose sum is σ = 146777297400. Its totient is φ = 32472208384.

The previous prime is 71467855427. The next prime is 71467855447. The reversal of 71467855432 is 23455876417.

It can be written as a sum of positive squares in 4 ways, for example, as 50991962596 + 20475892836 = 225814^2 + 143094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71467855432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056383 + ... + 9064270.

Almost surely, 2^71467855432 is an apocalyptic number.

It is an amenable number.

71467855432 is an abundant number, since it is smaller than the sum of its proper divisors (75309441968).

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

71467855432 is a wasteful number, since it uses less digits than its factorization.

71467855432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120705 (or 18120701 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 71467855432 in words is "seventy-one billion, four hundred sixty-seven million, eight hundred fifty-five thousand, four hundred thirty-two".