71214933 has 4 divisors (see below), whose sum is σ = 94953248. Its totient is φ = 47476620.

The previous prime is 71214911. The next prime is 71214937. The reversal of 71214933 is 33941217.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33941217 = 3 ⋅11313739.

It is not a de Polignac number, because 71214933 - 2⁵ = 71214901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71214933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71214937) 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, 11869153 + ... + 11869158.

It is an arithmetic number, because the mean of its divisors is an integer number (23738312).

Almost surely, 2^71214933 is an apocalyptic number.

It is an amenable number.

71214933 is a deficient number, since it is larger than the sum of its proper divisors (23738315).

71214933 is a wasteful number, since it uses less digits than its factorization.

71214933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23738314.

The product of its digits is 4536, while the sum is 30.

The square root of 71214933 is about 8438.8940626127. The cubic root of 71214933 is about 414.4991936340.

The spelling of 71214933 in words is "seventy-one million, two hundred fourteen thousand, nine hundred thirty-three".