78134068 has 12 divisors (see below), whose sum is σ = 136820740. Its totient is φ = 39042432.

The previous prime is 78134051. The next prime is 78134087. The reversal of 78134068 is 86043187.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41628304 + 36505764 = 6452^2 + 6042^2 .

It is a super-2 number, since 2×78134068² = 12209865164457248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2278 + ... + 12706.

Almost surely, 2^78134068 is an apocalyptic number.

It is an amenable number.

78134068 is a deficient number, since it is larger than the sum of its proper divisors (58686672).

78134068 is a wasteful number, since it uses less digits than its factorization.

78134068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306 (or 12304 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 78134068 is about 8839.3477134911. The cubic root of 78134068 is about 427.5105258286.

It can be divided in two parts, 7813 and 4068, that added together give a square (11881 = 109²).

The spelling of 78134068 in words is "seventy-eight million, one hundred thirty-four thousand, sixty-eight".