345372770 has 8 divisors (see below), whose sum is σ = 621671004. Its totient is φ = 138149104.

The previous prime is 345372757. The next prime is 345372793. The reversal of 345372770 is 77273543.

It can be written as a sum of positive squares in 2 ways, for example, as 300710281 + 44662489 = 17341^2 + 6683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17268629 + ... + 17268648.

Almost surely, 2^345372770 is an apocalyptic number.

345372770 is a deficient number, since it is larger than the sum of its proper divisors (276298234).

345372770 is a wasteful number, since it uses less digits than its factorization.

345372770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34537284.

The product of its (nonzero) digits is 123480, while the sum is 38.

The square root of 345372770 is about 18584.2075429651. The cubic root of 345372770 is about 701.6104214715.

The spelling of 345372770 in words is "three hundred forty-five million, three hundred seventy-two thousand, seven hundred seventy".