345340746 has 40 divisors (see below), whose sum is σ = 777563424. Its totient is φ = 114556680.

The previous prime is 345340693. The next prime is 345340763. The reversal of 345340746 is 647043543.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 345340746.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29131 + ... + 39233.

Almost surely, 2^345340746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345340746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388781712).

345340746 is an abundant number, since it is smaller than the sum of its proper divisors (432222678).

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

345340746 is a wasteful number, since it uses less digits than its factorization.

345340746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328 (or 10319 counting only the distinct ones).

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

The square root of 345340746 is about 18583.3459312364. The cubic root of 345340746 is about 701.5887356597.

The spelling of 345340746 in words is "three hundred forty-five million, three hundred forty thousand, seven hundred forty-six".