71830653 has 16 divisors (see below), whose sum is σ = 98612736. Its totient is φ = 46474560.

The previous prime is 71830639. The next prime is 71830657. The reversal of 71830653 is 35603817.

It is a happy number.

It is not a de Polignac number, because 71830653 - 2⁴ = 71830637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71830657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71988 + ... + 72978.

It is an arithmetic number, because the mean of its divisors is an integer number (6163296).

Almost surely, 2^71830653 is an apocalyptic number.

It is an amenable number.

71830653 is a deficient number, since it is larger than the sum of its proper divisors (26782083).

71830653 is a wasteful number, since it uses less digits than its factorization.

71830653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 71830653 is about 8475.2966319770. The cubic root of 71830653 is about 415.6903456380.

The spelling of 71830653 in words is "seventy-one million, eight hundred thirty thousand, six hundred fifty-three".