73987797 has 16 divisors (see below), whose sum is σ = 106420160. Its totient is φ = 45453312.

The previous prime is 73987789. The next prime is 73987799. The reversal of 73987797 is 79778937.

It is not a de Polignac number, because 73987797 - 2³ = 73987789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73987799) 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, 28758 + ... + 31224.

It is an arithmetic number, because the mean of its divisors is an integer number (6651260).

Almost surely, 2^73987797 is an apocalyptic number.

It is an amenable number.

73987797 is a deficient number, since it is larger than the sum of its proper divisors (32432363).

73987797 is a wasteful number, since it uses less digits than its factorization.

73987797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its digits is 4667544, while the sum is 57.

The square root of 73987797 is about 8601.6159528312. The cubic root of 73987797 is about 419.8105664997.

The spelling of 73987797 in words is "seventy-three million, nine hundred eighty-seven thousand, seven hundred ninety-seven".