78304496 has 10 divisors (see below), whose sum is σ = 151714992. Its totient is φ = 39152240.

The previous prime is 78304487. The next prime is 78304531. The reversal of 78304496 is 69440387.

It is a super-2 number, since 2×78304496² = 12263188187628032, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2447000 + ... + 2447031.

Almost surely, 2^78304496 is an apocalyptic number.

It is an amenable number.

78304496 is a deficient number, since it is larger than the sum of its proper divisors (73410496).

78304496 is a wasteful number, since it uses less digits than its factorization.

78304496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894039 (or 4894033 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 78304496 is about 8848.9827663975. The cubic root of 78304496 is about 427.8211323513.

The spelling of 78304496 in words is "seventy-eight million, three hundred four thousand, four hundred ninety-six".