71225376 has 96 divisors (see below), whose sum is σ = 208474560. Its totient is φ = 21159936.

The previous prime is 71225327. The next prime is 71225377. The reversal of 71225376 is 67352217.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (71225377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29860 + ... + 32156.

It is an arithmetic number, because the mean of its divisors is an integer number (2171610).

Almost surely, 2^71225376 is an apocalyptic number.

71225376 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

71225376 is the 6891-st pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71225376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104237280).

71225376 is an abundant number, since it is smaller than the sum of its proper divisors (137249184).

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

71225376 is a wasteful number, since it uses less digits than its factorization.

71225376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2338 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 71225376 is about 8439.5127821457. The cubic root of 71225376 is about 414.5194534463.

The spelling of 71225376 in words is "seventy-one million, two hundred twenty-five thousand, three hundred seventy-six".