73999998 has 24 divisors (see below), whose sum is σ = 164245536. Its totient is φ = 24064800.

The previous prime is 73999969. The next prime is 74000051. The reversal of 73999998 is 89999937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49398 + ... + 50873.

It is an arithmetic number, because the mean of its divisors is an integer number (6843564).

Almost surely, 2^73999998 is an apocalyptic number.

73999998 is an abundant number, since it is smaller than the sum of its proper divisors (90245538).

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

73999998 is a wasteful number, since it uses less digits than its factorization.

73999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100320 (or 100317 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 63.

The square root of 73999998 is about 8602.3251507950. The cubic root of 73999998 is about 419.8336415986.

The spelling of 73999998 in words is "seventy-three million, nine hundred ninety-nine thousand, nine hundred ninety-eight".