71004100 has 36 divisors (see below), whose sum is σ = 156997764. Its totient is φ = 27863680.

The previous prime is 71004091. The next prime is 71004103. The reversal of 71004100 is 140017.

It can be written as a sum of positive squares in 6 ways, for example, as 7387524 + 63616576 = 2718^2 + 7976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71004103) 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, 1399 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (4361049).

Almost surely, 2^71004100 is an apocalyptic number.

It is an amenable number.

71004100 is an abundant number, since it is smaller than the sum of its proper divisors (85993664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71004100 is a wasteful number, since it uses less digits than its factorization.

71004100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 71004100 is about 8426.3930599041. The cubic root of 71004100 is about 414.0897453770.

Adding to 71004100 its reverse (140017), we get a palindrome (71144117).

The spelling of 71004100 in words is "seventy-one million, four thousand, one hundred".