68545604 has 12 divisors (see below), whose sum is σ = 122880828. Its totient is φ = 33436800.

The previous prime is 68545579. The next prime is 68545627. The reversal of 68545604 is 40654586.

It can be written as a sum of positive squares in 2 ways, for example, as 37185604 + 31360000 = 6098^2 + 5600^2 .

It is an unprimeable number.

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, 208817 + ... + 209144.

It is an arithmetic number, because the mean of its divisors is an integer number (10240069).

Almost surely, 2^68545604 is an apocalyptic number.

It is an amenable number.

68545604 is a deficient number, since it is larger than the sum of its proper divisors (54335224).

68545604 is a wasteful number, since it uses less digits than its factorization.

68545604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418006 (or 418004 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 68545604 is about 8279.2272586275. The cubic root of 68545604 is about 409.2542541471.

The spelling of 68545604 in words is "sixty-eight million, five hundred forty-five thousand, six hundred four".