68704523 has 8 divisors (see below), whose sum is σ = 70958160. Its totient is φ = 66471840.

The previous prime is 68704511. The next prime is 68704577. The reversal of 68704523 is 32540786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68704523 - 2⁴ = 68704507 is a prime.

It is a super-2 number, since 2×68704523² = 9440622961315058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68704723) 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, 1568 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (8869770).

Almost surely, 2^68704523 is an apocalyptic number.

68704523 is a deficient number, since it is larger than the sum of its proper divisors (2253637).

68704523 is a wasteful number, since it uses less digits than its factorization.

68704523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10477.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 68704523 is about 8288.8191559474. The cubic root of 68704523 is about 409.5702874406.

The spelling of 68704523 in words is "sixty-eight million, seven hundred four thousand, five hundred twenty-three".