75347132512 has 12 divisors (see below), whose sum is σ = 148339667196. Its totient is φ = 37673566240.

The previous prime is 75347132459. The next prime is 75347132533. The reversal of 75347132512 is 21523174357.

It is a happy number.

It is a super-3 number, since 3×75347132512³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177298914 + ... + 1177298977.

It is an arithmetic number, because the mean of its divisors is an integer number (12361638933).

Almost surely, 2^75347132512 is an apocalyptic number.

It is an amenable number.

75347132512 is a deficient number, since it is larger than the sum of its proper divisors (72992534684).

75347132512 is a wasteful number, since it uses less digits than its factorization.

75347132512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354597901 (or 2354597893 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The spelling of 75347132512 in words is "seventy-five billion, three hundred forty-seven million, one hundred thirty-two thousand, five hundred twelve".