345999773 has 16 divisors (see below), whose sum is σ = 411156480. Its totient is φ = 284914800.

The previous prime is 345999769. The next prime is 345999803. The reversal of 345999773 is 377999543.

It is not a de Polignac number, because 345999773 - 2² = 345999769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345999713) 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, 24428 + ... + 35898.

It is an arithmetic number, because the mean of its divisors is an integer number (25697280).

Almost surely, 2^345999773 is an apocalyptic number.

It is an amenable number.

345999773 is a deficient number, since it is larger than the sum of its proper divisors (65156707).

345999773 is a wasteful number, since it uses less digits than its factorization.

345999773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648.

The product of its digits is 6429780, while the sum is 56.

The square root of 345999773 is about 18601.0691359395. The cubic root of 345999773 is about 702.0347416404.

The spelling of 345999773 in words is "three hundred forty-five million, nine hundred ninety-nine thousand, seven hundred seventy-three".