345773290 has 16 divisors (see below), whose sum is σ = 622902312. Its totient is φ = 138195904.

The previous prime is 345773279. The next prime is 345773297. The reversal of 345773290 is 92377543.

It can be written as a sum of positive squares in 4 ways, for example, as 332223529 + 13549761 = 18227^2 + 3681^2 .

It is not an unprimeable number, because it can be changed into a prime (345773297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769 + ... + 26308.

Almost surely, 2^345773290 is an apocalyptic number.

345773290 is a deficient number, since it is larger than the sum of its proper divisors (277129022).

345773290 is a wasteful number, since it uses less digits than its factorization.

345773290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28361.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 345773290 is about 18594.9802366122. The cubic root of 345773290 is about 701.8815299413.

The spelling of 345773290 in words is "three hundred forty-five million, seven hundred seventy-three thousand, two hundred ninety".