68923204 has 27 divisors (see below), whose sum is σ = 140544957. Its totient is φ = 29488704.

The previous prime is 68923201. The next prime is 68923213. The reversal of 68923204 is 40232986.

The square root of 68923204 is 8302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42380100 + 26543104 = 6510^2 + 5152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68923204.

It is not an unprimeable number, because it can be changed into a prime (68923201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 115932 + ... + 116524.

Almost surely, 2^68923204 is an apocalyptic number.

68923204 is the 8302-nd square number.

It is an amenable number.

68923204 is an abundant number, since it is smaller than the sum of its proper divisors (71621753).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68923204 is an equidigital number, since it uses as much as digits as its factorization.

68923204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The cubic root of 68923204 is about 410.0043703679.

Multiplying 68923204 by its product of nonzero digits (20736), we get a square (1429191558144 = 1195488²).

The spelling of 68923204 in words is "sixty-eight million, nine hundred twenty-three thousand, two hundred four".