76530721132 has 6 divisors (see below), whose sum is σ = 133928761988. Its totient is φ = 38265360564.

The previous prime is 76530721121. The next prime is 76530721177. The reversal of 76530721132 is 23112703567.

It is a super-2 number, since 2×76530721132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76530721091 and 76530721100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9566340138 + ... + 9566340145.

Almost surely, 2^76530721132 is an apocalyptic number.

It is an amenable number.

76530721132 is a deficient number, since it is larger than the sum of its proper divisors (57398040856).

76530721132 is a wasteful number, since it uses less digits than its factorization.

76530721132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132680287 (or 19132680285 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 76530721132 in words is "seventy-six billion, five hundred thirty million, seven hundred twenty-one thousand, one hundred thirty-two".