345282073 has 6 divisors (see below), whose sum is σ = 348887886. Its totient is φ = 341713152.

The previous prime is 345282029. The next prime is 345282089. The reversal of 345282073 is 370282543.

It can be written as a sum of positive squares in 3 ways, for example, as 12475024 + 332807049 = 3532^2 + 18243^2 .

It is not a de Polignac number, because 345282073 - 2¹³ = 345273881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345282023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8940 + ... + 27757.

It is an arithmetic number, because the mean of its divisors is an integer number (58147981).

Almost surely, 2^345282073 is an apocalyptic number.

It is an amenable number.

345282073 is a deficient number, since it is larger than the sum of its proper divisors (3605813).

345282073 is an frugal number, since it uses more digits than its factorization.

345282073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36891 (or 36794 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 345282073 is about 18581.7672195085. The cubic root of 345282073 is about 701.5490003666.

The spelling of 345282073 in words is "three hundred forty-five million, two hundred eighty-two thousand, seventy-three".