71643533034 has 16 divisors (see below), whose sum is σ = 143307864288. Its totient is φ = 23877711312.

The previous prime is 71643533033. The next prime is 71643533113. The reversal of 71643533034 is 43033534617.

It is a junction number, because it is equal to n+sod(n) for n = 71643532983 and 71643533001.

It is not an unprimeable number, because it can be changed into a prime (71643533033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821632 + ... + 904635.

It is an arithmetic number, because the mean of its divisors is an integer number (8956741518).

Almost surely, 2^71643533034 is an apocalyptic number.

71643533034 is an abundant number, since it is smaller than the sum of its proper divisors (71664331254).

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

71643533034 is a wasteful number, since it uses less digits than its factorization.

71643533034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733189.

The product of its (nonzero) digits is 272160, while the sum is 39.

The spelling of 71643533034 in words is "seventy-one billion, six hundred forty-three million, five hundred thirty-three thousand, thirty-four".