128673802 has 16 divisors (see below), whose sum is σ = 198285120. Its totient is φ = 62590752.

The previous prime is 128673793. The next prime is 128673823. The reversal of 128673802 is 208376821.

It is a super-2 number, since 2×128673802² = 33113894642270408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19774 + ... + 25462.

It is an arithmetic number, because the mean of its divisors is an integer number (12392820).

Almost surely, 2^128673802 is an apocalyptic number.

128673802 is a deficient number, since it is larger than the sum of its proper divisors (69611318).

128673802 is a wasteful number, since it uses less digits than its factorization.

128673802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 128673802 is about 11343.4475359125. The cubic root of 128673802 is about 504.8511824999.

The spelling of 128673802 in words is "one hundred twenty-eight million, six hundred seventy-three thousand, eight hundred two".