71048636 has 12 divisors (see below), whose sum is σ = 125285160. Its totient is φ = 35252880.

The previous prime is 71048629. The next prime is 71048639. The reversal of 71048636 is 63684017.

It is a junction number, because it is equal to n+sod(n) for n = 71048596 and 71048605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71048639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67271 + ... + 68318.

It is an arithmetic number, because the mean of its divisors is an integer number (10440430).

Almost surely, 2^71048636 is an apocalyptic number.

It is an amenable number.

71048636 is a deficient number, since it is larger than the sum of its proper divisors (54236524).

71048636 is a wasteful number, since it uses less digits than its factorization.

71048636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135724 (or 135722 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 71048636 is about 8429.0352947416. The cubic root of 71048636 is about 414.1763039770.

The spelling of 71048636 in words is "seventy-one million, forty-eight thousand, six hundred thirty-six".