71734881 has 8 divisors (see below), whose sum is σ = 95949504. Its totient is φ = 47671760.

The previous prime is 71734847. The next prime is 71734889. The reversal of 71734881 is 18843717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71734881 - 2¹⁴ = 71718497 is a prime.

It is a super-2 number, since 2×71734881² = 10291786304168322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71734889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36765 + ... + 38666.

It is an arithmetic number, because the mean of its divisors is an integer number (11993688).

Almost surely, 2^71734881 is an apocalyptic number.

It is an amenable number.

71734881 is a deficient number, since it is larger than the sum of its proper divisors (24214623).

71734881 is a wasteful number, since it uses less digits than its factorization.

71734881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75751.

The product of its digits is 37632, while the sum is 39.

The square root of 71734881 is about 8469.6446796781. The cubic root of 71734881 is about 415.5055164561.

The spelling of 71734881 in words is "seventy-one million, seven hundred thirty-four thousand, eight hundred eighty-one".