342209672 has 64 divisors (see below), whose sum is σ = 750796800. Its totient is φ = 143208000.

The previous prime is 342209671. The next prime is 342209689. The reversal of 342209672 is 276902243.

It is a happy number.

It is a super-2 number, since 2×342209672² = 234214919220695168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342209671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455297 + ... + 456047.

It is an arithmetic number, because the mean of its divisors is an integer number (11731200).

Almost surely, 2^342209672 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 342209672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375398400).

342209672 is an abundant number, since it is smaller than the sum of its proper divisors (408587128).

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

342209672 is a wasteful number, since it uses less digits than its factorization.

342209672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 342209672 is about 18498.9100219445. The cubic root of 342209672 is about 699.4619484400.

The spelling of 342209672 in words is "three hundred forty-two million, two hundred nine thousand, six hundred seventy-two".