78424214 has 12 divisors (see below), whose sum is σ = 129303132. Its totient is φ = 35647260.

The previous prime is 78424183. The next prime is 78424231. The reversal of 78424214 is 41242487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161792 + ... + 162275.

It is an arithmetic number, because the mean of its divisors is an integer number (10775261).

Almost surely, 2^78424214 is an apocalyptic number.

78424214 is a deficient number, since it is larger than the sum of its proper divisors (50878918).

78424214 is a wasteful number, since it uses less digits than its factorization.

78424214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324091 (or 324080 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 78424214 is about 8855.7446891834. The cubic root of 78424214 is about 428.0390500662.

The spelling of 78424214 in words is "seventy-eight million, four hundred twenty-four thousand, two hundred fourteen".