71968115 has 8 divisors (see below), whose sum is σ = 86682048. Its totient is φ = 57360960.

The previous prime is 71968103. The next prime is 71968129. The reversal of 71968115 is 51186917.

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

It is not a de Polignac number, because 71968115 - 2¹² = 71964019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25202 + ... + 27911.

It is an arithmetic number, because the mean of its divisors is an integer number (10835256).

Almost surely, 2^71968115 is an apocalyptic number.

71968115 is a deficient number, since it is larger than the sum of its proper divisors (14713933).

71968115 is a wasteful number, since it uses less digits than its factorization.

71968115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53389.

The product of its digits is 15120, while the sum is 38.

The square root of 71968115 is about 8483.4023245394. The cubic root of 71968115 is about 415.9553449201.

The spelling of 71968115 in words is "seventy-one million, nine hundred sixty-eight thousand, one hundred fifteen".