75321048 has 96 divisors (see below), whose sum is σ = 212874480. Its totient is φ = 22176000.

The previous prime is 75321047. The next prime is 75321061. The reversal of 75321048 is 84012357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75321047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107098 + ... + 107798.

Almost surely, 2^75321048 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 75321048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106437240).

75321048 is an abundant number, since it is smaller than the sum of its proper divisors (137553432).

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

75321048 is a wasteful number, since it uses less digits than its factorization.

75321048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 75321048 is about 8678.7699589285. The cubic root of 75321048 is about 422.3172146789.

It can be divided in two parts, 75 and 321048, that added together give a palindrome (321123).

The spelling of 75321048 in words is "seventy-five million, three hundred twenty-one thousand, forty-eight".