352539730 has 16 divisors (see below), whose sum is σ = 650049624. Its totient is φ = 137576320.

The previous prime is 352539713. The next prime is 352539743. The reversal of 352539730 is 37935253.

352539730 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 4 ways, for example, as 172738449 + 179801281 = 13143^2 + 13409^2 .

It is a super-2 number, since 2×352539730² = 248568522456945800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352539730.

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 7 ways as a sum of consecutive naturals, for example, 429517 + ... + 430336.

Almost surely, 2^352539730 is an apocalyptic number.

352539730 is a deficient number, since it is larger than the sum of its proper divisors (297509894).

352539730 is a wasteful number, since it uses less digits than its factorization.

352539730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859901.

The product of its (nonzero) digits is 85050, while the sum is 37.

The square root of 352539730 is about 18776.0413825705. The cubic root of 352539730 is about 706.4303605979.

The spelling of 352539730 in words is "three hundred fifty-two million, five hundred thirty-nine thousand, seven hundred thirty".