71319242 has 8 divisors (see below), whose sum is σ = 107138916. Its totient is φ = 35606272.

The previous prime is 71319229. The next prime is 71319271. The reversal of 71319242 is 24291317.

It can be written as a sum of positive squares in 2 ways, for example, as 64657681 + 6661561 = 8041^2 + 2581^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24983 + ... + 27690.

Almost surely, 2^71319242 is an apocalyptic number.

71319242 is a deficient number, since it is larger than the sum of its proper divisors (35819674).

71319242 is a wasteful number, since it uses less digits than its factorization.

71319242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53352.

The product of its digits is 3024, while the sum is 29.

The square root of 71319242 is about 8445.0720541627. The cubic root of 71319242 is about 414.7014681776.

The spelling of 71319242 in words is "seventy-one million, three hundred nineteen thousand, two hundred forty-two".