78194112 has 56 divisors (see below), whose sum is σ = 215895936. Its totient is φ = 24930048.

The previous prime is 78194087. The next prime is 78194113. The reversal of 78194112 is 21149187.

It is a super-2 number, since 2×78194112² = 12228638302937088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78194113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438 + ... + 13269.

Almost surely, 2^78194112 is an apocalyptic number.

It is an amenable number.

78194112 is an abundant number, since it is smaller than the sum of its proper divisors (137701824).

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

78194112 is a wasteful number, since it uses less digits than its factorization.

78194112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17745 (or 17735 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 78194112 is about 8842.7434656898. The cubic root of 78194112 is about 427.6200080304.

The spelling of 78194112 in words is "seventy-eight million, one hundred ninety-four thousand, one hundred twelve".