73097988 has 24 divisors (see below), whose sum is σ = 170718240. Its totient is φ = 24343680.

The previous prime is 73097987. The next prime is 73097993. The reversal of 73097988 is 88979037.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73097988.

It is not an unprimeable number, because it can be changed into a prime (73097987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15823 + ... + 19913.

It is an arithmetic number, because the mean of its divisors is an integer number (7113260).

Almost surely, 2^73097988 is an apocalyptic number.

It is an amenable number.

73097988 is an abundant number, since it is smaller than the sum of its proper divisors (97620252).

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

73097988 is a wasteful number, since it uses less digits than its factorization.

73097988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 73097988 is about 8549.7361362793. The cubic root of 73097988 is about 418.1208337890.

The spelling of 73097988 in words is "seventy-three million, ninety-seven thousand, nine hundred eighty-eight".