68040328 has 16 divisors (see below), whose sum is σ = 127708380. Its totient is φ = 33984768.

The previous prime is 68040317. The next prime is 68040347. The reversal of 68040328 is 82304086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63968004 + 4072324 = 7998^2 + 2018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68040328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4900 + ... + 12652.

Almost surely, 2^68040328 is an apocalyptic number.

It is an amenable number.

68040328 is a deficient number, since it is larger than the sum of its proper divisors (59668052).

68040328 is a wasteful number, since it uses less digits than its factorization.

68040328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 8852 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 68040328 is about 8248.6561329710. The cubic root of 68040328 is about 408.2461829650.

The spelling of 68040328 in words is "sixty-eight million, forty thousand, three hundred twenty-eight".