352120743 has 16 divisors (see below), whose sum is σ = 561788640. Its totient is φ = 216689472.

The previous prime is 352120729. The next prime is 352120753. The reversal of 352120743 is 347021253.

It is a de Polignac number, because none of the positive numbers 2^k-352120743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352120753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501246 + ... + 501947.

It is an arithmetic number, because the mean of its divisors is an integer number (35111790).

Almost surely, 2^352120743 is an apocalyptic number.

352120743 is a deficient number, since it is larger than the sum of its proper divisors (209667897).

352120743 is a wasteful number, since it uses less digits than its factorization.

352120743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003215 (or 1003209 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 352120743 is about 18764.8805751595. The cubic root of 352120743 is about 706.1503898151.

Adding to 352120743 its reverse (347021253), we get a palindrome (699141996).

The spelling of 352120743 in words is "three hundred fifty-two million, one hundred twenty thousand, seven hundred forty-three".