71852119 has 4 divisors (see below), whose sum is σ = 71896840. Its totient is φ = 71807400.

The previous prime is 71852117. The next prime is 71852177. The reversal of 71852119 is 91125817.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91125817 = 1009 ⋅90313.

It is a cyclic number.

It is not a de Polignac number, because 71852119 - 2¹ = 71852117 is a prime.

It is a super-2 number, since 2×71852119² = 10325454009580322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71852117) 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, 19857 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (17974210).

Almost surely, 2^71852119 is an apocalyptic number.

71852119 is a deficient number, since it is larger than the sum of its proper divisors (44721).

71852119 is a wasteful number, since it uses less digits than its factorization.

71852119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44720.

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

The square root of 71852119 is about 8476.5629237327. The cubic root of 71852119 is about 415.7317500610.

The spelling of 71852119 in words is "seventy-one million, eight hundred fifty-two thousand, one hundred nineteen".