75481392 has 80 divisors (see below), whose sum is σ = 223930112. Its totient is φ = 21461760.

The previous prime is 75481391. The next prime is 75481397. The reversal of 75481392 is 29318457.

It is a self number, because there is not a number n which added to its sum of digits gives 75481392.

It is not an unprimeable number, because it can be changed into a prime (75481391) by changing a digit.

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, 92667 + ... + 93477.

Almost surely, 2^75481392 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 75481392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111965056).

75481392 is an abundant number, since it is smaller than the sum of its proper divisors (148448720).

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

75481392 is a wasteful number, since it uses less digits than its factorization.

75481392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1100 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 75481392 is about 8688.0027624305. The cubic root of 75481392 is about 422.6166796074.

The spelling of 75481392 in words is "seventy-five million, four hundred eighty-one thousand, three hundred ninety-two".