71201982 has 8 divisors (see below), whose sum is σ = 142403976. Its totient is φ = 23733992.

The previous prime is 71201969. The next prime is 71201993. The reversal of 71201982 is 28910217.

It is a sphenic number, since it is the product of 3 distinct primes.

71201982 is an admirable number.

It is a congruent number.

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, 5933493 + ... + 5933504.

It is an arithmetic number, because the mean of its divisors is an integer number (17800497).

Almost surely, 2^71201982 is an apocalyptic number.

71201982 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.

71201982 is a wasteful number, since it uses less digits than its factorization.

71201982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11867002.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 71201982 is about 8438.1266878378. The cubic root of 71201982 is about 414.4740654562.

The spelling of 71201982 in words is "seventy-one million, two hundred one thousand, nine hundred eighty-two".