75144948 has 12 divisors (see below), whose sum is σ = 175338240. Its totient is φ = 25048312.

The previous prime is 75144941. The next prime is 75144977. The reversal of 75144948 is 84944157.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×75144948³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75144941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131028 + ... + 3131051.

It is an arithmetic number, because the mean of its divisors is an integer number (14611520).

Almost surely, 2^75144948 is an apocalyptic number.

It is an amenable number.

75144948 is an abundant number, since it is smaller than the sum of its proper divisors (100193292).

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

75144948 is a wasteful number, since it uses less digits than its factorization.

75144948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262086 (or 6262084 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 75144948 is about 8668.6185750672. The cubic root of 75144948 is about 421.9878331061.

The spelling of 75144948 in words is "seventy-five million, one hundred forty-four thousand, nine hundred forty-eight".