76678434 has 48 divisors (see below), whose sum is σ = 198223200. Its totient is φ = 21907368.

The previous prime is 76678423. The next prime is 76678457. The reversal of 76678434 is 43487667.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76678434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11844 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (4129650).

Almost surely, 2^76678434 is an apocalyptic number.

76678434 is an abundant number, since it is smaller than the sum of its proper divisors (121544766).

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

76678434 is a wasteful number, since it uses less digits than its factorization.

76678434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29004 (or 28991 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 76678434 is about 8756.6222940127. The cubic root of 76678434 is about 424.8390329290.

The spelling of 76678434 in words is "seventy-six million, six hundred seventy-eight thousand, four hundred thirty-four".