71382052 has 12 divisors (see below), whose sum is σ = 142764160. Its totient is φ = 30592296.

The previous prime is 71382037. The next prime is 71382061. The reversal of 71382052 is 25028317.

71382052 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2549359 = 71382052 / (7 + 1 + 3 + 8 + 2 + 0 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 71382052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274652 + ... + 1274707.

Almost surely, 2^71382052 is an apocalyptic number.

It is an amenable number.

71382052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71382052 is a wasteful number, since it uses less digits than its factorization.

71382052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549370 (or 2549368 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 71382052 is about 8448.7899725345. The cubic root of 71382052 is about 414.8231733242.

The spelling of 71382052 in words is "seventy-one million, three hundred eighty-two thousand, fifty-two".