347033642 has 4 divisors (see below), whose sum is σ = 520550466. Its totient is φ = 173516820.

The previous prime is 347033641. The next prime is 347033663. The reversal of 347033642 is 246330743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246330743 = 31 ⋅7946153.

It can be written as a sum of positive squares in only one way, i.e., 285238321 + 61795321 = 16889^2 + 7861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 347033599 and 347033608.

It is not an unprimeable number, because it can be changed into a prime (347033641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86758409 + ... + 86758412.

Almost surely, 2^347033642 is an apocalyptic number.

347033642 is a deficient number, since it is larger than the sum of its proper divisors (173516824).

347033642 is a wasteful number, since it uses less digits than its factorization.

347033642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173516823.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 347033642 is about 18628.8389869041. The cubic root of 347033642 is about 702.7332875998.

The spelling of 347033642 in words is "three hundred forty-seven million, thirty-three thousand, six hundred forty-two".