71984201 has 4 divisors (see below), whose sum is σ = 74306304. Its totient is φ = 69662100.

The previous prime is 71984191. The next prime is 71984207. The reversal of 71984201 is 10248917.

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: 10248917 = 7 ⋅1464131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71984201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71984207) 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, 1161005 + ... + 1161066.

It is an arithmetic number, because the mean of its divisors is an integer number (18576576).

Almost surely, 2^71984201 is an apocalyptic number.

It is an amenable number.

71984201 is a deficient number, since it is larger than the sum of its proper divisors (2322103).

71984201 is a wasteful number, since it uses less digits than its factorization.

71984201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322102.

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

The square root of 71984201 is about 8484.3503581594. The cubic root of 71984201 is about 415.9863334545.

The spelling of 71984201 in words is "seventy-one million, nine hundred eighty-four thousand, two hundred one".