129674480 has 80 divisors (see below), whose sum is σ = 329708064. Its totient is φ = 47139840.

The previous prime is 129674459. The next prime is 129674491. The reversal of 129674480 is 84476921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68750 + ... + 70610.

Almost surely, 2^129674480 is an apocalyptic number.

129674480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129674480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164854032).

129674480 is an abundant number, since it is smaller than the sum of its proper divisors (200033584).

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

129674480 is a wasteful number, since it uses less digits than its factorization.

129674480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 129674480 is about 11387.4703073158. The cubic root of 129674480 is about 506.1565233090.

The spelling of 129674480 in words is "one hundred twenty-nine million, six hundred seventy-four thousand, four hundred eighty".