71734951 has 16 divisors (see below), whose sum is σ = 79043040. Its totient is φ = 64798720.

The previous prime is 71734939. The next prime is 71734997. The reversal of 71734951 is 15943717.

It is a cyclic number.

It is not a de Polignac number, because 71734951 - 2¹⁷ = 71603879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71734951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71734931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 111591 + ... + 112231.

It is an arithmetic number, because the mean of its divisors is an integer number (4940190).

Almost surely, 2^71734951 is an apocalyptic number.

71734951 is a deficient number, since it is larger than the sum of its proper divisors (7308089).

71734951 is a wasteful number, since it uses less digits than its factorization.

71734951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 26460, while the sum is 37.

The square root of 71734951 is about 8469.6488120819. The cubic root of 71734951 is about 415.5056516083.

The spelling of 71734951 in words is "seventy-one million, seven hundred thirty-four thousand, nine hundred fifty-one".