71696051 has 4 divisors (see below), whose sum is σ = 81938352. Its totient is φ = 61453752.

The previous prime is 71696041. The next prime is 71696059. The reversal of 71696051 is 15069617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71696051 - 2¹⁰ = 71695027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71696059) 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, 5121140 + ... + 5121153.

It is an arithmetic number, because the mean of its divisors is an integer number (20484588).

Almost surely, 2^71696051 is an apocalyptic number.

71696051 is a deficient number, since it is larger than the sum of its proper divisors (10242301).

71696051 is a wasteful number, since it uses less digits than its factorization.

71696051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242300.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 71696051 is about 8467.3520654334. The cubic root of 71696051 is about 415.4305320553.

The spelling of 71696051 in words is "seventy-one million, six hundred ninety-six thousand, fifty-one".