342648720 has 120 divisors (see below), whose sum is σ = 1168068096. Its totient is φ = 89996544.

The previous prime is 342648707. The next prime is 342648721. The reversal of 342648720 is 27846243.

342648720 is a `hidden beast` number, since 3 + 4 + 2 + 648 + 7 + 2 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (342648721) 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 23 ways as a sum of consecutive naturals, for example, 44689 + ... + 51791.

Almost surely, 2^342648720 is an apocalyptic number.

342648720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342648720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584034048).

342648720 is an abundant number, since it is smaller than the sum of its proper divisors (825419376).

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

342648720 is a wasteful number, since it uses less digits than its factorization.

342648720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 342648720 is about 18510.7730794800. The cubic root of 342648720 is about 699.7609523890.

The spelling of 342648720 in words is "three hundred forty-two million, six hundred forty-eight thousand, seven hundred twenty".