342679140 has 96 divisors (see below), whose sum is σ = 1073520000. Its totient is φ = 90746496.

The previous prime is 342679123. The next prime is 342679171. The reversal of 342679140 is 41976243.

It is a super-2 number, since 2×342679140² = 234857985982279200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 342679095 and 342679104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78331 + ... + 82589.

It is an arithmetic number, because the mean of its divisors is an integer number (11182500).

Almost surely, 2^342679140 is an apocalyptic number.

342679140 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 342679140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536760000).

342679140 is an abundant number, since it is smaller than the sum of its proper divisors (730840860).

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

342679140 is a wasteful number, since it uses less digits than its factorization.

342679140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4418 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 342679140 is about 18511.5947449160. The cubic root of 342679140 is about 699.7816597947.

The spelling of 342679140 in words is "three hundred forty-two million, six hundred seventy-nine thousand, one hundred forty".