678114734 has 24 divisors (see below), whose sum is σ = 1183823424. Its totient is φ = 290100800.

The previous prime is 678114733. The next prime is 678114781. The reversal of 678114734 is 437411876.

It is a junction number, because it is equal to n+sod(n) for n = 678114691 and 678114700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678114733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78302 + ... + 86529.

It is an arithmetic number, because the mean of its divisors is an integer number (49325976).

Almost surely, 2^678114734 is an apocalyptic number.

678114734 is a deficient number, since it is larger than the sum of its proper divisors (505708690).

678114734 is a wasteful number, since it uses less digits than its factorization.

678114734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164872 (or 164861 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 678114734 is about 26040.6362057458. The cubic root of 678114734 is about 878.5525162191.

The spelling of 678114734 in words is "six hundred seventy-eight million, one hundred fourteen thousand, seven hundred thirty-four".