78233214 has 16 divisors (see below), whose sum is σ = 156556800. Its totient is φ = 26062680.

The previous prime is 78233209. The next prime is 78233219. The reversal of 78233214 is 41233287.

It is an interprime number because it is at equal distance from previous prime (78233209) and next prime (78233219).

It is a super-2 number, since 2×78233214² = 12240871545539592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78233219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13779 + ... + 18609.

It is an arithmetic number, because the mean of its divisors is an integer number (9784800).

Almost surely, 2^78233214 is an apocalyptic number.

78233214 is an abundant number, since it is smaller than the sum of its proper divisors (78323586).

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

78233214 is a wasteful number, since it uses less digits than its factorization.

78233214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535.

The product of its digits is 8064, while the sum is 30.

The square root of 78233214 is about 8844.9541547710. The cubic root of 78233214 is about 427.6912751661.

The spelling of 78233214 in words is "seventy-eight million, two hundred thirty-three thousand, two hundred fourteen".