76784316 has 48 divisors (see below), whose sum is σ = 205287936. Its totient is φ = 21881664.

The previous prime is 76784297. The next prime is 76784329. The reversal of 76784316 is 61348767.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 39970 + ... + 41846.

It is an arithmetic number, because the mean of its divisors is an integer number (4276832).

Almost surely, 2^76784316 is an apocalyptic number.

It is an amenable number.

76784316 is an abundant number, since it is smaller than the sum of its proper divisors (128503620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76784316 is a wasteful number, since it uses less digits than its factorization.

76784316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378 (or 2376 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 76784316 is about 8762.6660326638. Note that the first 3 decimals coincide. The cubic root of 76784316 is about 425.0344903958.

The spelling of 76784316 in words is "seventy-six million, seven hundred eighty-four thousand, three hundred sixteen".