3428729670 has 16 divisors (see below), whose sum is σ = 8228951280. Its totient is φ = 914327904.

The previous prime is 3428729651. The next prime is 3428729699. The reversal of 3428729670 is 769278243.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57145465 + ... + 57145524.

It is an arithmetic number, because the mean of its divisors is an integer number (514309455).

Almost surely, 2^3428729670 is an apocalyptic number.

3428729670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3428729670 is an abundant number, since it is smaller than the sum of its proper divisors (4800221610).

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

3428729670 is a wasteful number, since it uses less digits than its factorization.

3428729670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114290999.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 3428729670 is about 58555.3556047609. The cubic root of 3428729670 is about 1507.9180802359.

The spelling of 3428729670 in words is "three billion, four hundred twenty-eight million, seven hundred twenty-nine thousand, six hundred seventy".