73988089 has 6 divisors (see below), whose sum is σ = 86067834. Its totient is φ = 63418320.

The previous prime is 73988087. The next prime is 73988107. The reversal of 73988089 is 98088937.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 26832400 = 6867^2 + 5180^2 .

It is not a de Polignac number, because 73988089 - 2¹ = 73988087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73988087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 754932 + ... + 755029.

It is an arithmetic number, because the mean of its divisors is an integer number (14344639).

Almost surely, 2^73988089 is an apocalyptic number.

It is an amenable number.

73988089 is a deficient number, since it is larger than the sum of its proper divisors (12079745).

73988089 is a wasteful number, since it uses less digits than its factorization.

73988089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509975 (or 1509968 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 73988089 is about 8601.6329263693. The cubic root of 73988089 is about 419.8111187733.

The spelling of 73988089 in words is "seventy-three million, nine hundred eighty-eight thousand, eighty-nine".