343572873 has 32 divisors (see below), whose sum is σ = 578451456. Its totient is φ = 176740608.

The previous prime is 343572863. The next prime is 343572893. The reversal of 343572873 is 378275343.

It is not a de Polignac number, because 343572873 - 2¹² = 343568777 is a prime.

It is a super-2 number, since 2×343572873² = 236084638122948258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343572863) 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, 12711 + ... + 29132.

It is an arithmetic number, because the mean of its divisors is an integer number (18076608).

Almost surely, 2^343572873 is an apocalyptic number.

It is an amenable number.

343572873 is a deficient number, since it is larger than the sum of its proper divisors (234878583).

343572873 is a wasteful number, since it uses less digits than its factorization.

343572873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41893.

The product of its digits is 423360, while the sum is 42.

The square root of 343572873 is about 18535.7188422785. The cubic root of 343572873 is about 700.3894927627.

The spelling of 343572873 in words is "three hundred forty-three million, five hundred seventy-two thousand, eight hundred seventy-three".