78542360 has 64 divisors (see below), whose sum is σ = 191933280. Its totient is φ = 28753920.

The previous prime is 78542339. The next prime is 78542369. The reversal of 78542360 is 6324587.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 78542360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78542369) 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 in 15 ways as a sum of consecutive naturals, for example, 67544 + ... + 68696.

Almost surely, 2^78542360 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 78542360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95966640).

78542360 is an abundant number, since it is smaller than the sum of its proper divisors (113390920).

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

78542360 is a wasteful number, since it uses less digits than its factorization.

78542360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 78542360 is about 8862.4127640276. The cubic root of 78542360 is about 428.2538890177.

The spelling of 78542360 in words is "seventy-eight million, five hundred forty-two thousand, three hundred sixty".