340728576 has 72 divisors (see below), whose sum is σ = 909694464. Its totient is φ = 113218560.

The previous prime is 340728551. The next prime is 340728611. The reversal of 340728576 is 675827043.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373561 + ... + 374471.

Almost surely, 2^340728576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340728576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454847232).

340728576 is an abundant number, since it is smaller than the sum of its proper divisors (568965888).

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

340728576 is an equidigital number, since it uses as much as digits as its factorization.

340728576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 340728576 is about 18458.8346327714. The cubic root of 340728576 is about 698.4513901426.

The spelling of 340728576 in words is "three hundred forty million, seven hundred twenty-eight thousand, five hundred seventy-six".