68989576 has 16 divisors (see below), whose sum is σ = 129505500. Its totient is φ = 34454784.

The previous prime is 68989567. The next prime is 68989577. The reversal of 68989576 is 67598986.

It can be written as a sum of positive squares in 2 ways, for example, as 67667076 + 1322500 = 8226^2 + 1150^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68989576.

It is not an unprimeable number, because it can be changed into a prime (68989577) 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, 3100 + ... + 12148.

Almost surely, 2^68989576 is an apocalyptic number.

It is an amenable number.

68989576 is a deficient number, since it is larger than the sum of its proper divisors (60515924).

68989576 is a wasteful number, since it uses less digits than its factorization.

68989576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008 (or 10004 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 68989576 is about 8305.9963881524. The cubic root of 68989576 is about 410.1359374744.

The spelling of 68989576 in words is "sixty-eight million, nine hundred eighty-nine thousand, five hundred seventy-six".