352072789 has 4 divisors (see below), whose sum is σ = 364213260. Its totient is φ = 339932320.

The previous prime is 352072759. The next prime is 352072807. The reversal of 352072789 is 987270253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225510289 + 126562500 = 15017^2 + 11250^2 .

It is a cyclic number.

It is not a de Polignac number, because 352072789 - 2⁵ = 352072757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352072709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6070192 + ... + 6070249.

It is an arithmetic number, because the mean of its divisors is an integer number (91053315).

Almost surely, 2^352072789 is an apocalyptic number.

It is an amenable number.

352072789 is a deficient number, since it is larger than the sum of its proper divisors (12140471).

352072789 is a wasteful number, since it uses less digits than its factorization.

352072789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140470.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 352072789 is about 18763.6027723889. The cubic root of 352072789 is about 706.1183323710.

The spelling of 352072789 in words is "three hundred fifty-two million, seventy-two thousand, seven hundred eighty-nine".