75532142252 has 96 divisors (see below), whose sum is σ = 163586304000. Its totient is φ = 29791964160.

The previous prime is 75532142251. The next prime is 75532142261. The reversal of 75532142252 is 25224123557.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (75532142251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5205824 + ... + 5220312.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024000).

Almost surely, 2^75532142252 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 75532142252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81793152000).

75532142252 is an abundant number, since it is smaller than the sum of its proper divisors (88054161748).

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

75532142252 is a wasteful number, since it uses less digits than its factorization.

75532142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799 (or 14797 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The spelling of 75532142252 in words is "seventy-five billion, five hundred thirty-two million, one hundred forty-two thousand, two hundred fifty-two".