71997482 has 8 divisors (see below), whose sum is σ = 114348996. Its totient is φ = 33881152.

The previous prime is 71997481. The next prime is 71997503. The reversal of 71997482 is 28479917.

It can be written as a sum of positive squares in 2 ways, for example, as 61763881 + 10233601 = 7859^2 + 3199^2 .

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

It is not an unprimeable number, because it can be changed into a prime (71997481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058753 + ... + 1058820.

Almost surely, 2^71997482 is an apocalyptic number.

71997482 is a deficient number, since it is larger than the sum of its proper divisors (42351514).

71997482 is a wasteful number, since it uses less digits than its factorization.

71997482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117592.

The product of its digits is 254016, while the sum is 47.

The square root of 71997482 is about 8485.1329983684. The cubic root of 71997482 is about 416.0119148769.

The spelling of 71997482 in words is "seventy-one million, nine hundred ninety-seven thousand, four hundred eighty-two".