340257072 has 40 divisors (see below), whose sum is σ = 880261120. Its totient is φ = 113256000.

The previous prime is 340257067. The next prime is 340257097. The reversal of 340257072 is 270752043.

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, 31329 + ... + 40767.

It is an arithmetic number, because the mean of its divisors is an integer number (22006528).

Almost surely, 2^340257072 is an apocalyptic number.

It is an amenable number.

340257072 is an abundant number, since it is smaller than the sum of its proper divisors (540004048).

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

340257072 is a wasteful number, since it uses less digits than its factorization.

340257072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201 (or 10195 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 340257072 is about 18446.0584407618. The cubic root of 340257072 is about 698.1290664798.

The spelling of 340257072 in words is "three hundred forty million, two hundred fifty-seven thousand, seventy-two".