78504752 has 10 divisors (see below), whose sum is σ = 152102988. Its totient is φ = 39252368.

The previous prime is 78504737. The next prime is 78504757. The reversal of 78504752 is 25740587.

It is not an unprimeable number, because it can be changed into a prime (78504757) by changing a digit.

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, 2453258 + ... + 2453289.

Almost surely, 2^78504752 is an apocalyptic number.

It is an amenable number.

78504752 is a deficient number, since it is larger than the sum of its proper divisors (73598236).

78504752 is a wasteful number, since it uses less digits than its factorization.

78504752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906555 (or 4906549 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 78504752 is about 8860.2907401507. The cubic root of 78504752 is about 428.1855252984.

The spelling of 78504752 in words is "seventy-eight million, five hundred four thousand, seven hundred fifty-two".