347770042 has 4 divisors (see below), whose sum is σ = 521655066. Its totient is φ = 173885020.

The previous prime is 347770039. The next prime is 347770079. The reversal of 347770042 is 240077743.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 318943881 + 28826161 = 17859^2 + 5369^2 .

It is a super-2 number, since 2×347770042² = 241888004225363528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86942509 + ... + 86942512.

Almost surely, 2^347770042 is an apocalyptic number.

347770042 is a deficient number, since it is larger than the sum of its proper divisors (173885024).

347770042 is a wasteful number, since it uses less digits than its factorization.

347770042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173885023.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 347770042 is about 18648.5935662720. The cubic root of 347770042 is about 703.2299994687.

The spelling of 347770042 in words is "three hundred forty-seven million, seven hundred seventy thousand, forty-two".