75049881 has 8 divisors (see below), whose sum is σ = 100119264. Its totient is φ = 50006880.

The previous prime is 75049861. The next prime is 75049937. The reversal of 75049881 is 18894057.

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

It is not a de Polignac number, because 75049881 - 2¹⁹ = 74525593 is a prime.

It is a super-2 number, since 2×75049881² = 11264969276228322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (75049831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (12514908).

Almost surely, 2^75049881 is an apocalyptic number.

It is an amenable number.

75049881 is a deficient number, since it is larger than the sum of its proper divisors (25069383).

75049881 is a wasteful number, since it uses less digits than its factorization.

75049881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13191.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 75049881 is about 8663.1334400435. The cubic root of 75049881 is about 421.8098036315.

The spelling of 75049881 in words is "seventy-five million, forty-nine thousand, eight hundred eighty-one".