3454128730 has 64 divisors (see below), whose sum is σ = 7001406720. Its totient is φ = 1217373696.

The previous prime is 3454128679. The next prime is 3454128749. The reversal of 3454128730 is 378214543.

It is a happy number.

It is a super-2 number, since 2×3454128730² = 23862010566822825800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3454128730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1969534 + ... + 1971286.

It is an arithmetic number, because the mean of its divisors is an integer number (109396980).

Almost surely, 2^3454128730 is an apocalyptic number.

3454128730 is an abundant number, since it is smaller than the sum of its proper divisors (3547277990).

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

3454128730 is a wasteful number, since it uses less digits than its factorization.

3454128730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 3454128730 is about 58771.8361972808. The cubic root of 3454128730 is about 1511.6323341664.

The spelling of 3454128730 in words is "three billion, four hundred fifty-four million, one hundred twenty-eight thousand, seven hundred thirty".