71734731 has 8 divisors (see below), whose sum is σ = 95689104. Its totient is φ = 47801760.

The previous prime is 71734721. The next prime is 71734739. The reversal of 71734731 is 13743717.

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

It is not a de Polignac number, because 71734731 - 2⁵ = 71734699 is a prime.

It is a super-2 number, since 2×71734731² = 10291743263284722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71734692 and 71734701.

It is not an unprimeable number, because it can be changed into a prime (71734739) 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 7 ways as a sum of consecutive naturals, for example, 5785 + ... + 13301.

It is an arithmetic number, because the mean of its divisors is an integer number (11961138).

Almost surely, 2^71734731 is an apocalyptic number.

71734731 is a deficient number, since it is larger than the sum of its proper divisors (23954373).

71734731 is a wasteful number, since it uses less digits than its factorization.

71734731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701.

The product of its digits is 12348, while the sum is 33.

The square root of 71734731 is about 8469.6358245204. The cubic root of 71734731 is about 415.5052268440.

The spelling of 71734731 in words is "seventy-one million, seven hundred thirty-four thousand, seven hundred thirty-one".