73987535 has 8 divisors (see below), whose sum is σ = 89433936. Its totient is φ = 58757440.

The previous prime is 73987499. The next prime is 73987547. The reversal of 73987535 is 53578937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73987535 - 2¹⁶ = 73921999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73987535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53321 + ... + 54690.

It is an arithmetic number, because the mean of its divisors is an integer number (11179242).

Almost surely, 2^73987535 is an apocalyptic number.

73987535 is a deficient number, since it is larger than the sum of its proper divisors (15446401).

73987535 is a wasteful number, since it uses less digits than its factorization.

73987535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108153.

The product of its digits is 793800, while the sum is 47.

The square root of 73987535 is about 8601.6007231212. The cubic root of 73987535 is about 419.8100709653.

The spelling of 73987535 in words is "seventy-three million, nine hundred eighty-seven thousand, five hundred thirty-five".