71527734 has 48 divisors (see below), whose sum is σ = 160233840. Its totient is φ = 23042880.

The previous prime is 71527693. The next prime is 71527741. The reversal of 71527734 is 43772517.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 140272 + ... + 140780.

It is an arithmetic number, because the mean of its divisors is an integer number (3338205).

Almost surely, 2^71527734 is an apocalyptic number.

71527734 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 71527734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80116920).

71527734 is an abundant number, since it is smaller than the sum of its proper divisors (88706106).

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

71527734 is a wasteful number, since it uses less digits than its factorization.

71527734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 762 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 71527734 is about 8457.4070494449. The cubic root of 71527734 is about 415.1051826098.

The spelling of 71527734 in words is "seventy-one million, five hundred twenty-seven thousand, seven hundred thirty-four".