68949527 has 4 divisors (see below), whose sum is σ = 68966136. Its totient is φ = 68932920.

The previous prime is 68949521. The next prime is 68949563. The reversal of 68949527 is 72594986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68949527 - 2¹⁴ = 68933143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68949521) 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, 4028 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (17241534).

Almost surely, 2^68949527 is an apocalyptic number.

68949527 is a deficient number, since it is larger than the sum of its proper divisors (16609).

68949527 is an equidigital number, since it uses as much as digits as its factorization.

68949527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16608.

The product of its digits is 1088640, while the sum is 50.

The square root of 68949527 is about 8303.5851895431. The cubic root of 68949527 is about 410.0565597165.

The spelling of 68949527 in words is "sixty-eight million, nine hundred forty-nine thousand, five hundred twenty-seven".