76550312 has 8 divisors (see below), whose sum is σ = 143531850. Its totient is φ = 38275152.

The previous prime is 76550311. The next prime is 76550323. The reversal of 76550312 is 21305567.

It can be written as a sum of positive squares in only one way, i.e., 59691076 + 16859236 = 7726^2 + 4106^2 .

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 (76550311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4784387 + ... + 4784402.

Almost surely, 2^76550312 is an apocalyptic number.

It is an amenable number.

76550312 is a deficient number, since it is larger than the sum of its proper divisors (66981538).

76550312 is a wasteful number, since it uses less digits than its factorization.

76550312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9568795 (or 9568791 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 76550312 is about 8749.3035151376. The cubic root of 76550312 is about 424.6022798278.

Adding to 76550312 its reverse (21305567), we get a palindrome (97855879).

The spelling of 76550312 in words is "seventy-six million, five hundred fifty thousand, three hundred twelve".