68948564 has 6 divisors (see below), whose sum is σ = 120659994. Its totient is φ = 34474280.

The previous prime is 68948533. The next prime is 68948569. The reversal of 68948564 is 46584986.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 58564 = 8300^2 + 242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68948569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8618567 + ... + 8618574.

It is an arithmetic number, because the mean of its divisors is an integer number (20109999).

Almost surely, 2^68948564 is an apocalyptic number.

It is an amenable number.

68948564 is a deficient number, since it is larger than the sum of its proper divisors (51711430).

68948564 is a wasteful number, since it uses less digits than its factorization.

68948564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17237145 (or 17237143 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 68948564 is about 8303.5272023400. The cubic root of 68948564 is about 410.0546506568.

The spelling of 68948564 in words is "sixty-eight million, nine hundred forty-eight thousand, five hundred sixty-four".