68530988 has 12 divisors (see below), whose sum is σ = 120006432. Its totient is φ = 34243440.

The previous prime is 68530963. The next prime is 68531033. The reversal of 68530988 is 88903586.

It is a super-2 number, since 2×68530988² = 9392992632512288, which contains 22 as substring.

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, 2906 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (10000536).

Almost surely, 2^68530988 is an apocalyptic number.

It is an amenable number.

68530988 is a deficient number, since it is larger than the sum of its proper divisors (51475444).

68530988 is a wasteful number, since it uses less digits than its factorization.

68530988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 11030 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 68530988 is about 8278.3445204944. The cubic root of 68530988 is about 409.2251636096.

The spelling of 68530988 in words is "sixty-eight million, five hundred thirty thousand, nine hundred eighty-eight".