351443072 has 24 divisors (see below), whose sum is σ = 700563285. Its totient is φ = 175615488.

The previous prime is 351443069. The next prime is 351443089. The reversal of 351443072 is 270344153.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

351443072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 339443776 + 11999296 = 18424^2 + 3464^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13256.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 211268 + ... + 212924.

Almost surely, 2^351443072 is an apocalyptic number.

351443072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

351443072 is a deficient number, since it is larger than the sum of its proper divisors (349120213).

351443072 is an frugal number, since it uses more digits than its factorization.

351443072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 351443072 is about 18746.8149828177. The cubic root of 351443072 is about 705.6970936399.

The spelling of 351443072 in words is "three hundred fifty-one million, four hundred forty-three thousand, seventy-two".