129679074 has 24 divisors (see below), whose sum is σ = 321110400. Its totient is φ = 37051128.

The previous prime is 129679027. The next prime is 129679091. The reversal of 129679074 is 470976921.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514474 + ... + 514725.

It is an arithmetic number, because the mean of its divisors is an integer number (13379600).

Almost surely, 2^129679074 is an apocalyptic number.

129679074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129679074 is an abundant number, since it is smaller than the sum of its proper divisors (191431326).

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

129679074 is a wasteful number, since it uses less digits than its factorization.

129679074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029214 (or 1029211 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 129679074 is about 11387.6720184593. The cubic root of 129679074 is about 506.1625004697.

The spelling of 129679074 in words is "one hundred twenty-nine million, six hundred seventy-nine thousand, seventy-four".