345752378 has 8 divisors (see below), whose sum is σ = 518921940. Its totient is φ = 172778400.

The previous prime is 345752371. The next prime is 345752387. The reversal of 345752378 is 873257543.

It can be written as a sum of positive squares in 2 ways, for example, as 280998169 + 64754209 = 16763^2 + 8047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (345752371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44393 + ... + 51596.

Almost surely, 2^345752378 is an apocalyptic number.

345752378 is a deficient number, since it is larger than the sum of its proper divisors (173169562).

345752378 is a wasteful number, since it uses less digits than its factorization.

345752378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97792.

The product of its digits is 705600, while the sum is 44.

The square root of 345752378 is about 18594.4179258185. The cubic root of 345752378 is about 701.8673799738.

The spelling of 345752378 in words is "three hundred forty-five million, seven hundred fifty-two thousand, three hundred seventy-eight".