75144048 has 120 divisors (see below), whose sum is σ = 231378048. Its totient is φ = 20942208.

The previous prime is 75144007. The next prime is 75144049. The reversal of 75144048 is 84044157.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75144049) 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, 100765 + ... + 101507.

Almost surely, 2^75144048 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 75144048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115689024).

75144048 is an abundant number, since it is smaller than the sum of its proper divisors (156234000).

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

75144048 is a wasteful number, since it uses less digits than its factorization.

75144048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 75144048 is about 8668.5666635263. The cubic root of 75144048 is about 421.9861484039.

The spelling of 75144048 in words is "seventy-five million, one hundred forty-four thousand, forty-eight".