345202407 has 24 divisors (see below), whose sum is σ = 544796928. Its totient is φ = 208890000.

The previous prime is 345202397. The next prime is 345202441. The reversal of 345202407 is 704202543.

It is not a de Polignac number, because 345202407 - 2⁶ = 345202343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345202307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72028 + ... + 76670.

It is an arithmetic number, because the mean of its divisors is an integer number (22699872).

Almost surely, 2^345202407 is an apocalyptic number.

345202407 is a deficient number, since it is larger than the sum of its proper divisors (199594521).

345202407 is a wasteful number, since it uses less digits than its factorization.

345202407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 345202407 is about 18579.6234353660. The cubic root of 345202407 is about 701.4950407144.

The spelling of 345202407 in words is "three hundred forty-five million, two hundred two thousand, four hundred seven".