71394201 has 24 divisors (see below), whose sum is σ = 109579080. Its totient is φ = 44706816.

The previous prime is 71394187. The next prime is 71394221. The reversal of 71394201 is 10249317.

71394201 is a `hidden beast` number, since 71 + 394 + 201 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13329801 + 58064400 = 3651^2 + 7620^2 .

It is not a de Polignac number, because 71394201 - 2¹⁸ = 71132057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71394221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5961 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (4565795).

Almost surely, 2^71394201 is an apocalyptic number.

It is an amenable number.

71394201 is a deficient number, since it is larger than the sum of its proper divisors (38184879).

71394201 is a wasteful number, since it uses less digits than its factorization.

71394201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7465 (or 7462 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 71394201 is about 8449.5089206415. The cubic root of 71394201 is about 414.8467058542.

The spelling of 71394201 in words is "seventy-one million, three hundred ninety-four thousand, two hundred one".