76329818 has 4 divisors (see below), whose sum is σ = 114494730. Its totient is φ = 38164908.

The previous prime is 76329809. The next prime is 76329829. The reversal of 76329818 is 81892367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81892367 = 53 ⋅1545139.

It can be written as a sum of positive squares in only one way, i.e., 75916369 + 413449 = 8713^2 + 643^2 .

It is a super-2 number, since 2×76329818² = 11652482231826248, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19082453 + ... + 19082456.

Almost surely, 2^76329818 is an apocalyptic number.

76329818 is a deficient number, since it is larger than the sum of its proper divisors (38164912).

76329818 is a wasteful number, since it uses less digits than its factorization.

76329818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38164911.

The product of its digits is 145152, while the sum is 44.

The square root of 76329818 is about 8736.6937682398. The cubic root of 76329818 is about 424.1942157891.

The spelling of 76329818 in words is "seventy-six million, three hundred twenty-nine thousand, eight hundred eighteen".