71882740 has 24 divisors (see below), whose sum is σ = 154167552. Its totient is φ = 28140960.

The previous prime is 71882737. The next prime is 71882771. The reversal of 71882740 is 4728817.

It is a self number, because there is not a number n which added to its sum of digits gives 71882740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37296 + ... + 39175.

It is an arithmetic number, because the mean of its divisors is an integer number (6423648).

Almost surely, 2^71882740 is an apocalyptic number.

It is an amenable number.

71882740 is an abundant number, since it is smaller than the sum of its proper divisors (82284812).

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

71882740 is a wasteful number, since it uses less digits than its factorization.

71882740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76527 (or 76525 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 71882740 is about 8478.3689469143. The cubic root of 71882740 is about 415.7907987207.

The spelling of 71882740 in words is "seventy-one million, eight hundred eighty-two thousand, seven hundred forty".