75520140952 has 16 divisors (see below), whose sum is σ = 141854492160. Its totient is φ = 37692276384.

The previous prime is 75520140889. The next prime is 75520140953. The reversal of 75520140952 is 25904102557.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75520140953) 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, 8469528 + ... + 8478439.

It is an arithmetic number, because the mean of its divisors is an integer number (8865905760).

Almost surely, 2^75520140952 is an apocalyptic number.

It is an amenable number.

75520140952 is a deficient number, since it is larger than the sum of its proper divisors (66334351208).

75520140952 is a wasteful number, since it uses less digits than its factorization.

75520140952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16948530 (or 16948526 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 75520140952 in words is "seventy-five billion, five hundred twenty million, one hundred forty thousand, nine hundred fifty-two".