347420042 has 8 divisors (see below), whose sum is σ = 521726916. Its totient is φ = 173511072.

The previous prime is 347420039. The next prime is 347420063. The reversal of 347420042 is 240024743.

It can be written as a sum of positive squares in 2 ways, for example, as 309091561 + 38328481 = 17581^2 + 6191^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 347419993 and 347420020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97283 + ... + 100790.

Almost surely, 2^347420042 is an apocalyptic number.

347420042 is a deficient number, since it is larger than the sum of its proper divisors (174306874).

347420042 is a wasteful number, since it uses less digits than its factorization.

347420042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198952.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 347420042 is about 18639.2071183299. The cubic root of 347420042 is about 702.9940072077.

Adding to 347420042 its reverse (240024743), we get a palindrome (587444785).

The spelling of 347420042 in words is "three hundred forty-seven million, four hundred twenty thousand, forty-two".