71000461 has 6 divisors (see below), whose sum is σ = 82592430. Its totient is φ = 60857496.

The previous prime is 71000453. The next prime is 71000467. The reversal of 71000461 is 16400017.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 3924361 = 8190^2 + 1981^2 .

It is not a de Polignac number, because 71000461 - 2³ = 71000453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 724446 + ... + 724543.

It is an arithmetic number, because the mean of its divisors is an integer number (13765405).

Almost surely, 2^71000461 is an apocalyptic number.

It is an amenable number.

71000461 is a deficient number, since it is larger than the sum of its proper divisors (11591969).

71000461 is a wasteful number, since it uses less digits than its factorization.

71000461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449003 (or 1448996 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 71000461 is about 8426.1771284492. The cubic root of 71000461 is about 414.0826711455.

Adding to 71000461 its reverse (16400017), we get a palindrome (87400478).

The spelling of 71000461 in words is "seventy-one million, four hundred sixty-one", and thus it is an aban number.