78582372 has 48 divisors (see below), whose sum is σ = 202305600. Its totient is φ = 23541760.

The previous prime is 78582359. The next prime is 78582377. The reversal of 78582372 is 27328587.

It is not an unprimeable number, because it can be changed into a prime (78582377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8404 + ... + 15092.

It is an arithmetic number, because the mean of its divisors is an integer number (4214700).

Almost surely, 2^78582372 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 78582372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101152800).

78582372 is an abundant number, since it is smaller than the sum of its proper divisors (123723228).

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

78582372 is a wasteful number, since it uses less digits than its factorization.

78582372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796 (or 6794 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 78582372 is about 8864.6698754099. The cubic root of 78582372 is about 428.3265987660.

The spelling of 78582372 in words is "seventy-eight million, five hundred eighty-two thousand, three hundred seventy-two".