71653113 has 64 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 37158912.

The previous prime is 71653111. The next prime is 71653133. The reversal of 71653113 is 31135617.

71653113 is a `hidden beast` number, since 7 + 1 + 653 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 71653113 - 2¹ = 71653111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71653111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92793 + ... + 93561.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^71653113 is an apocalyptic number.

It is an amenable number.

71653113 is a deficient number, since it is larger than the sum of its proper divisors (61402887).

71653113 is a wasteful number, since it uses less digits than its factorization.

71653113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 825 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 71653113 is about 8464.8161822924. The cubic root of 71653113 is about 415.3475831896.

The spelling of 71653113 in words is "seventy-one million, six hundred fifty-three thousand, one hundred thirteen".