345677632 has 14 divisors (see below), whose sum is σ = 685954178. Its totient is φ = 172838784.

The previous prime is 345677597. The next prime is 345677641. The reversal of 345677632 is 236776543.

It can be written as a sum of positive squares in only one way, i.e., 337971456 + 7706176 = 18384^2 + 2776^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2700543 + ... + 2700670.

It is an arithmetic number, because the mean of its divisors is an integer number (48996727).

Almost surely, 2^345677632 is an apocalyptic number.

345677632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345677632 is a deficient number, since it is larger than the sum of its proper divisors (340276546).

345677632 is an equidigital number, since it uses as much as digits as its factorization.

345677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401225 (or 5401215 counting only the distinct ones).

The product of its digits is 635040, while the sum is 43.

The square root of 345677632 is about 18592.4079129090. The cubic root of 345677632 is about 701.8167989189.

The spelling of 345677632 in words is "three hundred forty-five million, six hundred seventy-seven thousand, six hundred thirty-two".