71242282 has 8 divisors (see below), whose sum is σ = 108879876. Its totient is φ = 34948992.

The previous prime is 71242277. The next prime is 71242307. The reversal of 71242282 is 28224217.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 11350161 = 7739^2 + 3369^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 71242282.

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, 335943 + ... + 336154.

Almost surely, 2^71242282 is an apocalyptic number.

71242282 is a deficient number, since it is larger than the sum of its proper divisors (37637594).

71242282 is a wasteful number, since it uses less digits than its factorization.

71242282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672152.

The product of its digits is 3584, while the sum is 28.

The square root of 71242282 is about 8440.5143208219. The cubic root of 71242282 is about 414.5522475237.

Adding to 71242282 its reverse (28224217), we get a palindrome (99466499).

The spelling of 71242282 in words is "seventy-one million, two hundred forty-two thousand, two hundred eighty-two".