347725442 has 8 divisors (see below), whose sum is σ = 522334332. Its totient is φ = 173614000.

The previous prime is 347725439. The next prime is 347725447. The reversal of 347725442 is 244527743.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 291009481 + 56715961 = 17059^2 + 7531^2 .

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 = 347725396 and 347725405.

It is not an unprimeable number, because it can be changed into a prime (347725447) 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, 122609 + ... + 125412.

Almost surely, 2^347725442 is an apocalyptic number.

347725442 is a deficient number, since it is larger than the sum of its proper divisors (174608890).

347725442 is a wasteful number, since it uses less digits than its factorization.

347725442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248724.

The product of its digits is 188160, while the sum is 38.

The square root of 347725442 is about 18647.3977272970. The cubic root of 347725442 is about 703.1999361174.

The spelling of 347725442 in words is "three hundred forty-seven million, seven hundred twenty-five thousand, four hundred forty-two".