343487742 has 16 divisors (see below), whose sum is σ = 739819920. Its totient is φ = 105688512.

The previous prime is 343487723. The next prime is 343487743. The reversal of 343487742 is 247784343.

It is a junction number, because it is equal to n+sod(n) for n = 343487694 and 343487703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343487743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201767 + ... + 2201922.

It is an arithmetic number, because the mean of its divisors is an integer number (46238745).

Almost surely, 2^343487742 is an apocalyptic number.

343487742 is an abundant number, since it is smaller than the sum of its proper divisors (396332178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343487742 is a wasteful number, since it uses less digits than its factorization.

343487742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403707.

The product of its digits is 451584, while the sum is 42.

The square root of 343487742 is about 18533.4222959496. The cubic root of 343487742 is about 700.3316401324.

The spelling of 343487742 in words is "three hundred forty-three million, four hundred eighty-seven thousand, seven hundred forty-two".