68133526 has 4 divisors (see below), whose sum is σ = 102200292. Its totient is φ = 34066762.

The previous prime is 68133497. The next prime is 68133529. The reversal of 68133526 is 62533186.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68133491 and 68133500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17033380 + ... + 17033383.

It is an arithmetic number, because the mean of its divisors is an integer number (25550073).

Almost surely, 2^68133526 is an apocalyptic number.

68133526 is a deficient number, since it is larger than the sum of its proper divisors (34066766).

68133526 is a wasteful number, since it uses less digits than its factorization.

68133526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34066765.

The product of its digits is 25920, while the sum is 34.

The square root of 68133526 is about 8254.3034836381. The cubic root of 68133526 is about 408.4324958482.

The spelling of 68133526 in words is "sixty-eight million, one hundred thirty-three thousand, five hundred twenty-six".