75233040 has 40 divisors (see below), whose sum is σ = 233223168. Its totient is φ = 20062080.

The previous prime is 75232967. The next prime is 75233051. The reversal of 75233040 is 4033257.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 75233040.

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, 156496 + ... + 156975.

Almost surely, 2^75233040 is an apocalyptic number.

It is an amenable number.

75233040 is an abundant number, since it is smaller than the sum of its proper divisors (157990128).

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

75233040 is a wasteful number, since it uses less digits than its factorization.

75233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313487 (or 313481 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 75233040 is about 8673.6981732131. The cubic root of 75233040 is about 422.1526666997.

Adding to 75233040 its reverse (4033257), we get a palindrome (79266297).

The spelling of 75233040 in words is "seventy-five million, two hundred thirty-three thousand, forty".