75087894 has 48 divisors (see below), whose sum is σ = 176562288. Its totient is φ = 21224448.

The previous prime is 75087821. The next prime is 75087899. The reversal of 75087894 is 49878057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75087899) 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 23 ways as a sum of consecutive naturals, for example, 27202 + ... + 29834.

It is an arithmetic number, because the mean of its divisors is an integer number (3678381).

Almost surely, 2^75087894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75087894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88281144).

75087894 is an abundant number, since it is smaller than the sum of its proper divisors (101474394).

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

75087894 is a wasteful number, since it uses less digits than its factorization.

75087894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 75087894 is about 8665.3271144256. The cubic root of 75087894 is about 421.8810076072.

The spelling of 75087894 in words is "seventy-five million, eighty-seven thousand, eight hundred ninety-four".