68971528 has 16 divisors (see below), whose sum is σ = 133493760. Its totient is φ = 33373200.

The previous prime is 68971523. The next prime is 68971547. The reversal of 68971528 is 82517986.

It is not an unprimeable number, because it can be changed into a prime (68971523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138808 + ... + 139303.

It is an arithmetic number, because the mean of its divisors is an integer number (8343360).

Almost surely, 2^68971528 is an apocalyptic number.

It is an amenable number.

68971528 is a deficient number, since it is larger than the sum of its proper divisors (64522232).

68971528 is a wasteful number, since it uses less digits than its factorization.

68971528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278148 (or 278144 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 68971528 is about 8304.9098730811. The cubic root of 68971528 is about 410.1001698536.

The spelling of 68971528 in words is "sixty-eight million, nine hundred seventy-one thousand, five hundred twenty-eight".