355729742 has 8 divisors (see below), whose sum is σ = 561678600. Its totient is φ = 168503544.

The previous prime is 355729711. The next prime is 355729769. The reversal of 355729742 is 247927553.

It is a happy number.

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 = 355729693 and 355729702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4680617 + ... + 4680692.

It is an arithmetic number, because the mean of its divisors is an integer number (70209825).

Almost surely, 2^355729742 is an apocalyptic number.

355729742 is a deficient number, since it is larger than the sum of its proper divisors (205948858).

355729742 is a wasteful number, since it uses less digits than its factorization.

355729742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361330.

The product of its digits is 529200, while the sum is 44.

The square root of 355729742 is about 18860.7990816932. The cubic root of 355729742 is about 708.5547151837.

The spelling of 355729742 in words is "three hundred fifty-five million, seven hundred twenty-nine thousand, seven hundred forty-two".