71952899 has 8 divisors (see below), whose sum is σ = 72992448. Its totient is φ = 70920360.

The previous prime is 71952887. The next prime is 71952913. The reversal of 71952899 is 99825917.

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 71952899 - 2¹² = 71948803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71952869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20984 + ... + 24170.

It is an arithmetic number, because the mean of its divisors is an integer number (9124056).

Almost surely, 2^71952899 is an apocalyptic number.

71952899 is a deficient number, since it is larger than the sum of its proper divisors (1039549).

71952899 is a wasteful number, since it uses less digits than its factorization.

71952899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505.

The product of its digits is 408240, while the sum is 50.

The square root of 71952899 is about 8482.5054671365. The cubic root of 71952899 is about 415.9260281288.

The spelling of 71952899 in words is "seventy-one million, nine hundred fifty-two thousand, eight hundred ninety-nine".