73135375 has 16 divisors (see below), whose sum is σ = 91529568. Its totient is φ = 58344000.

The previous prime is 73135373. The next prime is 73135379. The reversal of 73135375 is 57353137.

It is a happy number.

It is not a de Polignac number, because 73135375 - 2¹ = 73135373 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 73135375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73135373) 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, 64564 + ... + 65686.

It is an arithmetic number, because the mean of its divisors is an integer number (5720598).

Almost surely, 2^73135375 is an apocalyptic number.

73135375 is a deficient number, since it is larger than the sum of its proper divisors (18394193).

73135375 is a wasteful number, since it uses less digits than its factorization.

73135375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1649 counting only the distinct ones).

The product of its digits is 33075, while the sum is 34.

The square root of 73135375 is about 8551.9222985245. The cubic root of 73135375 is about 418.1921062443.

The spelling of 73135375 in words is "seventy-three million, one hundred thirty-five thousand, three hundred seventy-five".