71368130 has 16 divisors (see below), whose sum is σ = 132892920. Its totient is φ = 27562752.

The previous prime is 71368127. The next prime is 71368139. The reversal of 71368130 is 3186317.

It can be written as a sum of positive squares in 4 ways, for example, as 70946929 + 421201 = 8423^2 + 649^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 71368093 and 71368102.

It is not an unprimeable number, because it can be changed into a prime (71368139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122759 + ... + 123338.

Almost surely, 2^71368130 is an apocalyptic number.

71368130 is a deficient number, since it is larger than the sum of its proper divisors (61524790).

71368130 is a wasteful number, since it uses less digits than its factorization.

71368130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246133.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 71368130 is about 8447.9660273938. The cubic root of 71368130 is about 414.7962032220.

The spelling of 71368130 in words is "seventy-one million, three hundred sixty-eight thousand, one hundred thirty".