71455105234 has 16 divisors (see below), whose sum is σ = 112397503320. Its totient is φ = 34023024000.

The previous prime is 71455105231. The next prime is 71455105297. The reversal of 71455105234 is 43250155417.

It can be written as a sum of positive squares in 4 ways, for example, as 53892229609 + 17562875625 = 232147^2 + 132525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71455105193 and 71455105202.

It is not an unprimeable number, because it can be changed into a prime (71455105231) 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, 8434017 + ... + 8442484.

Almost surely, 2^71455105234 is an apocalyptic number.

71455105234 is a deficient number, since it is larger than the sum of its proper divisors (40942398086).

71455105234 is a wasteful number, since it uses less digits than its factorization.

71455105234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876605.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 71455105234 in words is "seventy-one billion, four hundred fifty-five million, one hundred five thousand, two hundred thirty-four".