345867730 has 16 divisors (see below), whose sum is σ = 670451544. Its totient is φ = 127704960.

The previous prime is 345867727. The next prime is 345867751. The reversal of 345867730 is 37768543.

It can be written as a sum of positive squares in 4 ways, for example, as 122036209 + 223831521 = 11047^2 + 14961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330131 + ... + 1330390.

Almost surely, 2^345867730 is an apocalyptic number.

345867730 is a deficient number, since it is larger than the sum of its proper divisors (324583814).

345867730 is a wasteful number, since it uses less digits than its factorization.

345867730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660541.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 345867730 is about 18597.5194582503. The cubic root of 345867730 is about 701.9454250423.

The spelling of 345867730 in words is "three hundred forty-five million, eight hundred sixty-seven thousand, seven hundred thirty".