345724415 has 8 divisors (see below), whose sum is σ = 415768128. Its totient is φ = 275980320.

The previous prime is 345724397. The next prime is 345724417. The reversal of 345724415 is 514427543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-345724415 is a prime.

It is a super-2 number, since 2×345724415² = 239050742254184450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345724417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72356 + ... + 76985.

It is an arithmetic number, because the mean of its divisors is an integer number (51971016).

Almost surely, 2^345724415 is an apocalyptic number.

345724415 is a deficient number, since it is larger than the sum of its proper divisors (70043713).

345724415 is a wasteful number, since it uses less digits than its factorization.

345724415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149809.

The product of its digits is 67200, while the sum is 35.

The square root of 345724415 is about 18593.6659914069. The cubic root of 345724415 is about 701.8484581019.

It can be divided in two parts, 3457 and 24415, that added together give a palindrome (27872).

The spelling of 345724415 in words is "three hundred forty-five million, seven hundred twenty-four thousand, four hundred fifteen".