342070249 has 4 divisors (see below), whose sum is σ = 347678020. Its totient is φ = 336462480.

The previous prime is 342070247. The next prime is 342070273. The reversal of 342070249 is 942070243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942070243 = 41 ⋅22977323.

It can be written as a sum of positive squares in 2 ways, for example, as 115025625 + 227044624 = 10725^2 + 15068^2 .

It is a cyclic number.

It is not a de Polignac number, because 342070249 - 2¹ = 342070247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 342070249.

It is not an unprimeable number, because it can be changed into a prime (342070247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803794 + ... + 2803915.

It is an arithmetic number, because the mean of its divisors is an integer number (86919505).

Almost surely, 2^342070249 is an apocalyptic number.

It is an amenable number.

342070249 is a deficient number, since it is larger than the sum of its proper divisors (5607771).

342070249 is an equidigital number, since it uses as much as digits as its factorization.

342070249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607770.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 342070249 is about 18495.1412268195. The cubic root of 342070249 is about 699.3669439849.

The spelling of 342070249 in words is "three hundred forty-two million, seventy thousand, two hundred forty-nine".