73688398 has 16 divisors (see below), whose sum is σ = 129405024. Its totient is φ = 30810240.

The previous prime is 73688359. The next prime is 73688399. The reversal of 73688398 is 89388637.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73688399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63615 + ... + 64762.

It is an arithmetic number, because the mean of its divisors is an integer number (8087814).

Almost surely, 2^73688398 is an apocalyptic number.

73688398 is a deficient number, since it is larger than the sum of its proper divisors (55716626).

73688398 is a wasteful number, since it uses less digits than its factorization.

73688398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128427.

The product of its digits is 1741824, while the sum is 52.

The square root of 73688398 is about 8584.1946622849. The cubic root of 73688398 is about 419.2435325144.

The spelling of 73688398 in words is "seventy-three million, six hundred eighty-eight thousand, three hundred ninety-eight".