345464730 has 192 divisors, whose sum is σ = 1021403520. Its totient is φ = 83026944.

The previous prime is 345464723. The next prime is 345464731. The reversal of 345464730 is 37464543.

It is a happy number.

345464730 is a `hidden beast` number, since 3 + 4 + 5 + 4 + 647 + 3 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (345464731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3057154 + ... + 3057266.

It is an arithmetic number, because the mean of its divisors is an integer number (5319810).

Almost surely, 2^345464730 is an apocalyptic number.

345464730 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 345464730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510701760).

345464730 is an abundant number, since it is smaller than the sum of its proper divisors (675938790).

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

345464730 is a wasteful number, since it uses less digits than its factorization.

345464730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 345464730 is about 18586.6815219931. The cubic root of 345464730 is about 701.6726869176.

The spelling of 345464730 in words is "three hundred forty-five million, four hundred sixty-four thousand, seven hundred thirty".