340428072 has 64 divisors (see below), whose sum is σ = 871096320. Its totient is φ = 110835648.

The previous prime is 340428061. The next prime is 340428079. The reversal of 340428072 is 270824043.

It is not an unprimeable number, because it can be changed into a prime (340428079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203383 + ... + 205049.

It is an arithmetic number, because the mean of its divisors is an integer number (13610880).

Almost surely, 2^340428072 is an apocalyptic number.

It is an amenable number.

340428072 is an abundant number, since it is smaller than the sum of its proper divisors (530668248).

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

340428072 is a wasteful number, since it uses less digits than its factorization.

340428072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 340428072 is about 18450.6929951154. The cubic root of 340428072 is about 698.2459977524.

The spelling of 340428072 in words is "three hundred forty million, four hundred twenty-eight thousand, seventy-two".