350550729 has 15 divisors (see below), whose sum is σ = 512842733. Its totient is φ = 230742252.

The previous prime is 350550709. The next prime is 350550731. The reversal of 350550729 is 927055053.

The square root of 350550729 is 18723.

It is a perfect power (a square), and thus also a powerful number.

350550729 is a `hidden beast` number, since 35 + 0 + 550 + 72 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-350550729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 350550693 and 350550702.

It is not an unprimeable number, because it can be changed into a prime (350550709) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4437312 + ... + 4437390.

Almost surely, 2^350550729 is an apocalyptic number.

350550729 is the 18723-rd square number.

350550729 is the 9362-nd centered octagonal number.

It is an amenable number.

350550729 is a deficient number, since it is larger than the sum of its proper divisors (162292004).

350550729 is an frugal number, since it uses more digits than its factorization.

350550729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The cubic root of 350550729 is about 705.0993130048.

Multiplying 350550729 by its sum of digits (36), we get a square (12619826244 = 112338²).

The spelling of 350550729 in words is "three hundred fifty million, five hundred fifty thousand, seven hundred twenty-nine".