71207001 has 12 divisors (see below), whose sum is σ = 102958128. Its totient is φ = 47423544.

The previous prime is 71206991. The next prime is 71207009. The reversal of 71207001 is 10070217.

It is not a de Polignac number, because 71207001 - 2⁶ = 71206937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71207009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7066 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (8579844).

Almost surely, 2^71207001 is an apocalyptic number.

It is an amenable number.

71207001 is a deficient number, since it is larger than the sum of its proper divisors (31751127).

71207001 is a wasteful number, since it uses less digits than its factorization.

71207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7969 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 71207001 is about 8438.4240827301. The cubic root of 71207001 is about 414.4838039326.

Adding to 71207001 its reverse (10070217), we get a palindrome (81277218).

The spelling of 71207001 in words is "seventy-one million, two hundred seven thousand, one".