342432720 has 120 divisors (see below), whose sum is σ = 1314308736. Its totient is φ = 78269184.

The previous prime is 342432709. The next prime is 342432749. The reversal of 342432720 is 27234243.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 28932 + ... + 39011.

Almost surely, 2^342432720 is an apocalyptic number.

342432720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342432720 is an abundant number, since it is smaller than the sum of its proper divisors (971876016).

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

342432720 is a wasteful number, since it uses less digits than its factorization.

342432720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67969 (or 67960 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 342432720 is about 18504.9377194305. The cubic root of 342432720 is about 699.6138822960.

Adding to 342432720 its reverse (27234243), we get a palindrome (369666963).

It can be divided in two parts, 34243 and 2720, that added together give a palindrome (36963).

The spelling of 342432720 in words is "three hundred forty-two million, four hundred thirty-two thousand, seven hundred twenty".