73998568 has 32 divisors (see below), whose sum is σ = 159255360. Its totient is φ = 31576320.

The previous prime is 73998553. The next prime is 73998593. The reversal of 73998568 is 86589937.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10755 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (4976730).

Almost surely, 2^73998568 is an apocalyptic number.

It is an amenable number.

73998568 is an abundant number, since it is smaller than the sum of its proper divisors (85256792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73998568 is a wasteful number, since it uses less digits than its factorization.

73998568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5733 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 73998568 is about 8602.2420333306. The cubic root of 73998568 is about 419.8309372472.

The spelling of 73998568 in words is "seventy-three million, nine hundred ninety-eight thousand, five hundred sixty-eight".