345511705 has 16 divisors (see below), whose sum is σ = 516921984. Its totient is φ = 215383680.

The previous prime is 345511703. The next prime is 345511741. The reversal of 345511705 is 507115543.

It is not a de Polignac number, because 345511705 - 2¹ = 345511703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345511703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448332 + ... + 449101.

It is an arithmetic number, because the mean of its divisors is an integer number (32307624).

Almost surely, 2^345511705 is an apocalyptic number.

345511705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345511705 is a deficient number, since it is larger than the sum of its proper divisors (171410279).

345511705 is a wasteful number, since it uses less digits than its factorization.

345511705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897456.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 345511705 is about 18587.9451527058. The cubic root of 345511705 is about 701.7044890841.

The spelling of 345511705 in words is "three hundred forty-five million, five hundred eleven thousand, seven hundred five".