129076673 has 4 divisors (see below), whose sum is σ = 140810928. Its totient is φ = 117342420.

The previous prime is 129076627. The next prime is 129076679. The reversal of 129076673 is 376670921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 129076673 - 2⁸ = 129076417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129076673.

It is not an unprimeable number, because it can be changed into a prime (129076679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5867111 + ... + 5867132.

It is an arithmetic number, because the mean of its divisors is an integer number (35202732).

Almost surely, 2^129076673 is an apocalyptic number.

It is an amenable number.

129076673 is a deficient number, since it is larger than the sum of its proper divisors (11734255).

129076673 is a wasteful number, since it uses less digits than its factorization.

129076673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734254.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 129076673 is about 11361.1915308211. The cubic root of 129076673 is about 505.3775211907.

The spelling of 129076673 in words is "one hundred twenty-nine million, seventy-six thousand, six hundred seventy-three".