342720365 has 8 divisors (see below), whose sum is σ = 442900248. Its totient is φ = 253085760.

The previous prime is 342720349. The next prime is 342720373. The reversal of 342720365 is 563027243.

It can be written as a sum of positive squares in 4 ways, for example, as 729316 + 341991049 = 854^2 + 18493^2 .

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

It is not a de Polignac number, because 342720365 - 2⁴ = 342720349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2636246 + ... + 2636375.

It is an arithmetic number, because the mean of its divisors is an integer number (55362531).

Almost surely, 2^342720365 is an apocalyptic number.

It is an amenable number.

342720365 is a deficient number, since it is larger than the sum of its proper divisors (100179883).

342720365 is a wasteful number, since it uses less digits than its factorization.

342720365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272639.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 342720365 is about 18512.7082027455. The cubic root of 342720365 is about 699.8097203902.

The spelling of 342720365 in words is "three hundred forty-two million, seven hundred twenty thousand, three hundred sixty-five".