71730026 has 8 divisors (see below), whose sum is σ = 107754624. Its totient is φ = 35811820.

The previous prime is 71730023. The next prime is 71730047. The reversal of 71730026 is 62003717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 71729977 and 71730004.

It is not an unprimeable number, because it can be changed into a prime (71730023) 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 3 ways as a sum of consecutive naturals, for example, 24890 + ... + 27621.

It is an arithmetic number, because the mean of its divisors is an integer number (13469328).

Almost surely, 2^71730026 is an apocalyptic number.

71730026 is a deficient number, since it is larger than the sum of its proper divisors (36024598).

71730026 is a wasteful number, since it uses less digits than its factorization.

71730026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53196.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 71730026 is about 8469.3580630411. The cubic root of 71730026 is about 415.4961424725.

The spelling of 71730026 in words is "seventy-one million, seven hundred thirty thousand, twenty-six".