71952811 has 8 divisors (see below), whose sum is σ = 82833120. Its totient is φ = 61222848.

The previous prime is 71952787. The next prime is 71952821. The reversal of 71952811 is 11825917.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71952811 - 2²⁵ = 38398379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71952821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36556 + ... + 38473.

It is an arithmetic number, because the mean of its divisors is an integer number (10354140).

Almost surely, 2^71952811 is an apocalyptic number.

71952811 is a deficient number, since it is larger than the sum of its proper divisors (10880309).

71952811 is a wasteful number, since it uses less digits than its factorization.

71952811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75173.

The product of its digits is 5040, while the sum is 34.

The square root of 71952811 is about 8482.5002799882. The cubic root of 71952811 is about 415.9258585664.

The spelling of 71952811 in words is "seventy-one million, nine hundred fifty-two thousand, eight hundred eleven".