343470720 has 192 divisors, whose sum is σ = 1164880800. Its totient is φ = 86065152.

The previous prime is 343470691. The next prime is 343470739. The reversal of 343470720 is 27074343.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554571 + ... + 555189.

Almost surely, 2^343470720 is an apocalyptic number.

343470720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582440400).

343470720 is an abundant number, since it is smaller than the sum of its proper divisors (821410080).

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

343470720 is a wasteful number, since it uses less digits than its factorization.

343470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 343470720 is about 18532.9630658457. The cubic root of 343470720 is about 700.3200713138.

The spelling of 343470720 in words is "three hundred forty-three million, four hundred seventy thousand, seven hundred twenty".