75403775452232 has 32 divisors (see below), whose sum is σ = 146318854361400. Its totient is φ = 36386508178944.

The previous prime is 75403775452223. The next prime is 75403775452259. The reversal of 75403775452232 is 23225457730457.

It can be written as a sum of positive squares in 4 ways, for example, as 66205984530436 + 9197790921796 = 8136706^2 + 3032786^2 .

It is a super-2 number, since 2×75403775452232² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67815443 + ... + 68918370.

Almost surely, 2^{75403775452232} is an apocalyptic number.

It is an amenable number.

75403775452232 is a deficient number, since it is larger than the sum of its proper divisors (70915078909168).

75403775452232 is a wasteful number, since it uses less digits than its factorization.

75403775452232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136736225 (or 136736221 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 56.

The spelling of 75403775452232 in words is "seventy-five trillion, four hundred three billion, seven hundred seventy-five million, four hundred fifty-two thousand, two hundred thirty-two".