76172132 has 6 divisors (see below), whose sum is σ = 133301238. Its totient is φ = 38086064.

The previous prime is 76172119. The next prime is 76172153. The reversal of 76172132 is 23127167.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 25563136 = 7114^2 + 5056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76172095 and 76172104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9521513 + ... + 9521520.

It is an arithmetic number, because the mean of its divisors is an integer number (22216873).

Almost surely, 2^76172132 is an apocalyptic number.

It is an amenable number.

76172132 is a deficient number, since it is larger than the sum of its proper divisors (57129106).

76172132 is a wasteful number, since it uses less digits than its factorization.

76172132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043037 (or 19043035 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 76172132 is about 8727.6647506650. The cubic root of 76172132 is about 423.9019071168.

Adding to 76172132 its reverse (23127167), we get a palindrome (99299299).

The spelling of 76172132 in words is "seventy-six million, one hundred seventy-two thousand, one hundred thirty-two".