75011331 has 8 divisors (see below), whose sum is σ = 100145344. Its totient is φ = 49942440.

The previous prime is 75011317. The next prime is 75011341. The reversal of 75011331 is 13311057.

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

It is not a de Polignac number, because 75011331 - 2⁶ = 75011267 is a prime.

It is a super-3 number, since 3×75011331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75011298 and 75011307.

It is not an unprimeable number, because it can be changed into a prime (75011341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13525 + ... + 18246.

It is an arithmetic number, because the mean of its divisors is an integer number (12518168).

Almost surely, 2^75011331 is an apocalyptic number.

75011331 is a deficient number, since it is larger than the sum of its proper divisors (25134013).

75011331 is a wasteful number, since it uses less digits than its factorization.

75011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32561.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 75011331 is about 8660.9082087273. The cubic root of 75011331 is about 421.7375692159.

Adding to 75011331 its reverse (13311057), we get a palindrome (88322388).

The spelling of 75011331 in words is "seventy-five million, eleven thousand, three hundred thirty-one".