76172812 has 12 divisors (see below), whose sum is σ = 133402696. Its totient is φ = 38057760.

The previous prime is 76172791. The next prime is 76172851. The reversal of 76172812 is 21827167.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 12352.

Almost surely, 2^76172812 is an apocalyptic number.

It is an amenable number.

76172812 is a deficient number, since it is larger than the sum of its proper divisors (57229884).

76172812 is a wasteful number, since it uses less digits than its factorization.

76172812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14328 (or 14326 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 76172812 is about 8727.7037071615. The cubic root of 76172812 is about 423.9031685249.

Adding to 76172812 its reverse (21827167), we get a palindrome (97999979).

The spelling of 76172812 in words is "seventy-six million, one hundred seventy-two thousand, eight hundred twelve".