78030112 has 24 divisors (see below), whose sum is σ = 161708400. Its totient is φ = 36961344.

The previous prime is 78030109. The next prime is 78030133. The reversal of 78030112 is 21103087.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63562 + ... + 64777.

It is an arithmetic number, because the mean of its divisors is an integer number (6737850).

Almost surely, 2^78030112 is an apocalyptic number.

It is an amenable number.

78030112 is an abundant number, since it is smaller than the sum of its proper divisors (83678288).

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

78030112 is a wasteful number, since it uses less digits than its factorization.

78030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128368 (or 128360 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 78030112 is about 8833.4654581314. The cubic root of 78030112 is about 427.3208432747.

Adding to 78030112 its reverse (21103087), we get a palindrome (99133199).

Subtracting from 78030112 its reverse (21103087), we obtain a square (56927025 = 7545²).

The spelling of 78030112 in words is "seventy-eight million, thirty thousand, one hundred twelve".