71120849 has 4 divisors (see below), whose sum is σ = 71592000. Its totient is φ = 70649700.

The previous prime is 71120837. The next prime is 71120887. The reversal of 71120849 is 94802117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71120849 - 2⁸ = 71120593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71125849) 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, 235349 + ... + 235650.

It is an arithmetic number, because the mean of its divisors is an integer number (17898000).

Almost surely, 2^71120849 is an apocalyptic number.

It is an amenable number.

71120849 is a deficient number, since it is larger than the sum of its proper divisors (471151).

71120849 is a wasteful number, since it uses less digits than its factorization.

71120849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471150.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 71120849 is about 8433.3177931346. The cubic root of 71120849 is about 414.3165777754.

The spelling of 71120849 in words is "seventy-one million, one hundred twenty thousand, eight hundred forty-nine".