345672011 has 6 divisors (see below), whose sum is σ = 348196212. Its totient is φ = 343165980.

The previous prime is 345672007. The next prime is 345672023. The reversal of 345672011 is 110276543.

It is not a de Polignac number, because 345672011 - 2² = 345672007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345672001) 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 5 ways as a sum of consecutive naturals, for example, 10376 + ... + 28266.

It is an arithmetic number, because the mean of its divisors is an integer number (58032702).

Almost surely, 2^345672011 is an apocalyptic number.

345672011 is a deficient number, since it is larger than the sum of its proper divisors (2524201).

345672011 is an equidigital number, since it uses as much as digits as its factorization.

345672011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169 (or 18030 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 345672011 is about 18592.2567484423. The cubic root of 345672011 is about 701.8129948606.

The spelling of 345672011 in words is "three hundred forty-five million, six hundred seventy-two thousand, eleven".