78547482 has 120 divisors (see below), whose sum is σ = 201944160. Its totient is φ = 22744800.

The previous prime is 78547477. The next prime is 78547519. The reversal of 78547482 is 28474587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 520107 + ... + 520257.

It is an arithmetic number, because the mean of its divisors is an integer number (1682868).

Almost surely, 2^78547482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78547482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100972080).

78547482 is an abundant number, since it is smaller than the sum of its proper divisors (123396678).

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

78547482 is a wasteful number, since it uses less digits than its factorization.

78547482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 188 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 78547482 is about 8862.7017325418. The cubic root of 78547482 is about 428.2631980867.

The spelling of 78547482 in words is "seventy-eight million, five hundred forty-seven thousand, four hundred eighty-two".