345373873 has 32 divisors (see below), whose sum is σ = 397901952. Its totient is φ = 297561600.

The previous prime is 345373829. The next prime is 345373879. The reversal of 345373873 is 378373543.

It is a happy number.

It is not a de Polignac number, because 345373873 - 2¹⁷ = 345242801 is a prime.

It is a super-2 number, since 2×345373873² = 238566224302040258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345373879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636738 + ... + 1636948.

It is an arithmetic number, because the mean of its divisors is an integer number (12434436).

Almost surely, 2^345373873 is an apocalyptic number.

It is an amenable number.

345373873 is a deficient number, since it is larger than the sum of its proper divisors (52528079).

345373873 is a wasteful number, since it uses less digits than its factorization.

345373873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 635040, while the sum is 43.

The square root of 345373873 is about 18584.2372186754. The cubic root of 345373873 is about 701.6111683702.

The spelling of 345373873 in words is "three hundred forty-five million, three hundred seventy-three thousand, eight hundred seventy-three".