345473937 has 16 divisors (see below), whose sum is σ = 512337280. Its totient is φ = 230080176.

The previous prime is 345473929. The next prime is 345473959. The reversal of 345473937 is 739374543.

It is a happy number.

It is not a de Polignac number, because 345473937 - 2³ = 345473929 is a prime.

It is a super-2 number, since 2×345473937² = 238704482292559938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345473892 and 345473901.

It is not an unprimeable number, because it can be changed into a prime (345473977) 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 15 ways as a sum of consecutive naturals, for example, 22683 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (32021080).

Almost surely, 2^345473937 is an apocalyptic number.

It is an amenable number.

345473937 is a deficient number, since it is larger than the sum of its proper divisors (166863343).

345473937 is a wasteful number, since it uses less digits than its factorization.

345473937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109 (or 13103 counting only the distinct ones).

The product of its digits is 952560, while the sum is 45.

The square root of 345473937 is about 18586.9291976916. The cubic root of 345473937 is about 701.6789203016.

The spelling of 345473937 in words is "three hundred forty-five million, four hundred seventy-three thousand, nine hundred thirty-seven".