75658227272 has 8 divisors (see below), whose sum is σ = 141859176150. Its totient is φ = 37829113632.

The previous prime is 75658227263. The next prime is 75658227277. The reversal of 75658227272 is 27272285657.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67067532676 + 8590694596 = 258974^2 + 92686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (75658227277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728639197 + ... + 4728639212.

Almost surely, 2^75658227272 is an apocalyptic number.

It is an amenable number.

75658227272 is a deficient number, since it is larger than the sum of its proper divisors (66200948878).

75658227272 is a wasteful number, since it uses less digits than its factorization.

75658227272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457278415 (or 9457278411 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 53.

The spelling of 75658227272 in words is "seventy-five billion, six hundred fifty-eight million, two hundred twenty-seven thousand, two hundred seventy-two".