345282072 has 64 divisors (see below), whose sum is σ = 903156480. Its totient is φ = 109794432.

The previous prime is 345282029. The next prime is 345282089. The reversal of 345282072 is 270282543.

It is a super-2 number, since 2×345282072² = 238439418489226368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306903 + ... + 308025.

It is an arithmetic number, because the mean of its divisors is an integer number (14111820).

Almost surely, 2^345282072 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 345282072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451578240).

345282072 is an abundant number, since it is smaller than the sum of its proper divisors (557874408).

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

345282072 is a wasteful number, since it uses less digits than its factorization.

345282072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 345282072 is about 18581.7671926004. The cubic root of 345282072 is about 701.5489996893.

The spelling of 345282072 in words is "three hundred forty-five million, two hundred eighty-two thousand, seventy-two".