71147201 has 4 divisors (see below), whose sum is σ = 73442304. Its totient is φ = 68852100.

The previous prime is 71147149. The next prime is 71147203. The reversal of 71147201 is 10274117.

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 71147201 - 2⁶ = 71147137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71147203) 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, 1147505 + ... + 1147566.

It is an arithmetic number, because the mean of its divisors is an integer number (18360576).

Almost surely, 2^71147201 is an apocalyptic number.

It is an amenable number.

71147201 is a deficient number, since it is larger than the sum of its proper divisors (2295103).

71147201 is a wasteful number, since it uses less digits than its factorization.

71147201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295102.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 71147201 is about 8434.8800228575. The cubic root of 71147201 is about 414.3677429045.

The spelling of 71147201 in words is "seventy-one million, one hundred forty-seven thousand, two hundred one".