342421724 has 24 divisors (see below), whose sum is σ = 640200960. Its totient is φ = 159776496.

The previous prime is 342421669. The next prime is 342421733. The reversal of 342421724 is 427124243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28532 + ... + 38715.

It is an arithmetic number, because the mean of its divisors is an integer number (26675040).

Almost surely, 2^342421724 is an apocalyptic number.

It is an amenable number.

342421724 is a deficient number, since it is larger than the sum of its proper divisors (297779236).

342421724 is a wasteful number, since it uses less digits than its factorization.

342421724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67337 (or 67335 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 342421724 is about 18504.6406071558. The cubic root of 342421724 is about 699.6063936847.

Adding to 342421724 its reverse (427124243), we get a palindrome (769545967).

The spelling of 342421724 in words is "three hundred forty-two million, four hundred twenty-one thousand, seven hundred twenty-four".