73398666 has 32 divisors (see below), whose sum is σ = 160892928. Its totient is φ = 22137840.

The previous prime is 73398649. The next prime is 73398667. The reversal of 73398666 is 66689337.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73398667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12225 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (5027904).

Almost surely, 2^73398666 is an apocalyptic number.

73398666 is an abundant number, since it is smaller than the sum of its proper divisors (87494262).

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

73398666 is a wasteful number, since it uses less digits than its factorization.

73398666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226.

The product of its digits is 979776, while the sum is 48.

The square root of 73398666 is about 8567.3021424483. The cubic root of 73398666 is about 418.6933427170.

It can be divided in two parts, 733 and 98666, that added together give a palindrome (99399).

The spelling of 73398666 in words is "seventy-three million, three hundred ninety-eight thousand, six hundred sixty-six".