345073473 has 16 divisors (see below), whose sum is σ = 511853440. Its totient is φ = 229763952.

The previous prime is 345073457. The next prime is 345073489. The reversal of 345073473 is 374370543.

It is an interprime number because it is at equal distance from previous prime (345073457) and next prime (345073489).

It is not a de Polignac number, because 345073473 - 2⁴ = 345073457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345073403) 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, 15540 + ... + 30522.

It is an arithmetic number, because the mean of its divisors is an integer number (31990840).

Almost surely, 2^345073473 is an apocalyptic number.

It is an amenable number.

345073473 is a deficient number, since it is larger than the sum of its proper divisors (166779967).

345073473 is a wasteful number, since it uses less digits than its factorization.

345073473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845 (or 15839 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The square root of 345073473 is about 18576.1533423903. The cubic root of 345073473 is about 701.4076930958.

The spelling of 345073473 in words is "three hundred forty-five million, seventy-three thousand, four hundred seventy-three".