345678733 has 2 divisors, whose sum is σ = 345678734. Its totient is φ = 345678732.

The previous prime is 345678727. The next prime is 345678743. The reversal of 345678733 is 337876543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286895844 + 58782889 = 16938^2 + 7667^2 .

It is a cyclic number.

It is not a de Polignac number, because 345678733 - 2¹³ = 345670541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345678743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172839366 + 172839367.

It is an arithmetic number, because the mean of its divisors is an integer number (172839367).

Almost surely, 2^345678733 is an apocalyptic number.

It is an amenable number.

345678733 is a deficient number, since it is larger than the sum of its proper divisors (1).

345678733 is an equidigital number, since it uses as much as digits as its factorization.

345678733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The square root of 345678733 is about 18592.4375217452. The cubic root of 345678733 is about 701.8175440249.

The spelling of 345678733 in words is "three hundred forty-five million, six hundred seventy-eight thousand, seven hundred thirty-three".