68549998 has 32 divisors (see below), whose sum is σ = 115644672. Its totient is φ = 30206400.

The previous prime is 68549963. The next prime is 68550007. The reversal of 68549998 is 89994586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220263 + ... + 220573.

It is an arithmetic number, because the mean of its divisors is an integer number (3613896).

Almost surely, 2^68549998 is an apocalyptic number.

68549998 is a deficient number, since it is larger than the sum of its proper divisors (47094674).

68549998 is a wasteful number, since it uses less digits than its factorization.

68549998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 5598720, while the sum is 58.

The square root of 68549998 is about 8279.4926173045. The cubic root of 68549998 is about 409.2629988108.

The spelling of 68549998 in words is "sixty-eight million, five hundred forty-nine thousand, nine hundred ninety-eight".