342893720 has 64 divisors (see below), whose sum is σ = 834865920. Its totient is φ = 125996544.

The previous prime is 342893713. The next prime is 342893731. The reversal of 342893720 is 27398243.

It is a happy number.

It is a super-2 number, since 2×342893720² = 235152206430876800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114482 + ... + 117438.

It is an arithmetic number, because the mean of its divisors is an integer number (13044780).

Almost surely, 2^342893720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342893720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417432960).

342893720 is an abundant number, since it is smaller than the sum of its proper divisors (491972200).

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

342893720 is a wasteful number, since it uses less digits than its factorization.

342893720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 342893720 is about 18517.3896648529. The cubic root of 342893720 is about 699.9276932116.

The spelling of 342893720 in words is "three hundred forty-two million, eight hundred ninety-three thousand, seven hundred twenty".