78334504 has 64 divisors (see below), whose sum is σ = 164851200. Its totient is φ = 34704384.

The previous prime is 78334499. The next prime is 78334537. The reversal of 78334504 is 40543387.

It is a happy number.

It is a super-2 number, since 2×78334504² = 12272589033852032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 78334504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246954 + ... + 247270.

It is an arithmetic number, because the mean of its divisors is an integer number (2575800).

Almost surely, 2^78334504 is an apocalyptic number.

It is an amenable number.

78334504 is an abundant number, since it is smaller than the sum of its proper divisors (86516696).

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

78334504 is a wasteful number, since it uses less digits than its factorization.

78334504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 78334504 is about 8850.6781661068. The cubic root of 78334504 is about 427.8757755182.

The spelling of 78334504 in words is "seventy-eight million, three hundred thirty-four thousand, five hundred four".