71734764 has 48 divisors (see below), whose sum is σ = 179692128. Its totient is φ = 22192128.

The previous prime is 71734763. The next prime is 71734771. The reversal of 71734764 is 46743717.

It is a super-2 number, since 2×71734764² = 10291752732271392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71734763) 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, 12484 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (3743586).

Almost surely, 2^71734764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71734764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89846064).

71734764 is an abundant number, since it is smaller than the sum of its proper divisors (107957364).

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

71734764 is a wasteful number, since it uses less digits than its factorization.

71734764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914 (or 4912 counting only the distinct ones).

The product of its digits is 98784, while the sum is 39.

The square root of 71734764 is about 8469.6377726559. The cubic root of 71734764 is about 415.5052905587.

The spelling of 71734764 in words is "seventy-one million, seven hundred thirty-four thousand, seven hundred sixty-four".