340704450 has 72 divisors (see below), whose sum is σ = 918298368. Its totient is φ = 90563040.

The previous prime is 340704421. The next prime is 340704487. The reversal of 340704450 is 54407043.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 164119 + ... + 166181.

It is an arithmetic number, because the mean of its divisors is an integer number (12754144).

Almost surely, 2^340704450 is an apocalyptic number.

340704450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340704450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459149184).

340704450 is an abundant number, since it is smaller than the sum of its proper divisors (577593918).

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

340704450 is a wasteful number, since it uses less digits than its factorization.

340704450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 340704450 is about 18458.1811129916. The cubic root of 340704450 is about 698.4349046493.

The spelling of 340704450 in words is "three hundred forty million, seven hundred four thousand, four hundred fifty".