71769488 has 40 divisors (see below), whose sum is σ = 161626560. Its totient is φ = 30234240.

The previous prime is 71769487. The next prime is 71769497. The reversal of 71769488 is 88496717.

It is not an unprimeable number, because it can be changed into a prime (71769487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (4040664).

Almost surely, 2^71769488 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 71769488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80813280).

71769488 is an abundant number, since it is smaller than the sum of its proper divisors (89857072).

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

71769488 is a wasteful number, since it uses less digits than its factorization.

71769488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935 (or 10929 counting only the distinct ones).

The product of its digits is 677376, while the sum is 50.

The square root of 71769488 is about 8471.6874352162. The cubic root of 71769488 is about 415.5723230430.

The spelling of 71769488 in words is "seventy-one million, seven hundred sixty-nine thousand, four hundred eighty-eight".