71288076 has 48 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 22380480.

The previous prime is 71288069. The next prime is 71288081. The reversal of 71288076 is 67088217.

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 15 ways as a sum of consecutive naturals, for example, 42730 + ... + 44366.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^71288076 is an apocalyptic number.

71288076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71288076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

71288076 is an abundant number, since it is smaller than the sum of its proper divisors (104829684).

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

71288076 is a wasteful number, since it uses less digits than its factorization.

71288076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1852 counting only the distinct ones).

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

The square root of 71288076 is about 8443.2266344094. The cubic root of 71288076 is about 414.6410521818.

It can be divided in two parts, 712 and 88076, that added together give a palindrome (88788).

The spelling of 71288076 in words is "seventy-one million, two hundred eighty-eight thousand, seventy-six".