75136272 has 80 divisors (see below), whose sum is σ = 201945408. Its totient is φ = 24053760.

The previous prime is 75136253. The next prime is 75136289. The reversal of 75136272 is 27263157.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143403 + ... + 143925.

Almost surely, 2^75136272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75136272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100972704).

75136272 is an abundant number, since it is smaller than the sum of its proper divisors (126809136).

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

75136272 is a wasteful number, since it uses less digits than its factorization.

75136272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 642 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 75136272 is about 8668.1181348664. The cubic root of 75136272 is about 421.9715920171.

The spelling of 75136272 in words is "seventy-five million, one hundred thirty-six thousand, two hundred seventy-two".