76818436 has 12 divisors (see below), whose sum is σ = 140277312. Its totient is φ = 36739208.

The previous prime is 76818433. The next prime is 76818437. The reversal of 76818436 is 63481867.

It is a super-3 number, since 3×76818436³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76818392 and 76818401.

It is not an unprimeable number, because it can be changed into a prime (76818431) 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 in 3 ways as a sum of consecutive naturals, for example, 417400 + ... + 417583.

It is an arithmetic number, because the mean of its divisors is an integer number (11689776).

Almost surely, 2^76818436 is an apocalyptic number.

It is an amenable number.

76818436 is a deficient number, since it is larger than the sum of its proper divisors (63458876).

76818436 is a wasteful number, since it uses less digits than its factorization.

76818436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835010 (or 835008 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 76818436 is about 8764.6127124933. The cubic root of 76818436 is about 425.0974374056.

The spelling of 76818436 in words is "seventy-six million, eight hundred eighteen thousand, four hundred thirty-six".