78594152 has 64 divisors (see below), whose sum is σ = 185310720. Its totient is φ = 30417408.

The previous prime is 78594133. The next prime is 78594157. The reversal of 78594152 is 25149587.

It is not an unprimeable number, because it can be changed into a prime (78594157) by changing a digit.

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, 33068 + ... + 35364.

It is an arithmetic number, because the mean of its divisors is an integer number (2895480).

Almost surely, 2^78594152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78594152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92655360).

78594152 is an abundant number, since it is smaller than the sum of its proper divisors (106716568).

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

78594152 is a wasteful number, since it uses less digits than its factorization.

78594152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2366 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 78594152 is about 8865.3342858575. The cubic root of 78594152 is about 428.3480006619.

The spelling of 78594152 in words is "seventy-eight million, five hundred ninety-four thousand, one hundred fifty-two".