342472739 has 8 divisors (see below), whose sum is σ = 411997440. Its totient is φ = 278098056.

The previous prime is 342472723. The next prime is 342472771. The reversal of 342472739 is 937274243.

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

It is a cyclic number.

It is not a de Polignac number, because 342472739 - 2⁴ = 342472723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342472696 and 342472705.

It is not an unprimeable number, because it can be changed into a prime (342472709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287359 + ... + 1287624.

It is an arithmetic number, because the mean of its divisors is an integer number (51499680).

Almost surely, 2^342472739 is an apocalyptic number.

342472739 is a deficient number, since it is larger than the sum of its proper divisors (69524701).

342472739 is a wasteful number, since it uses less digits than its factorization.

342472739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575009.

The product of its digits is 254016, while the sum is 41.

The square root of 342472739 is about 18506.0189938301. The cubic root of 342472739 is about 699.6411351019.

The spelling of 342472739 in words is "three hundred forty-two million, four hundred seventy-two thousand, seven hundred thirty-nine".