210350730 has 32 divisors (see below), whose sum is σ = 505574784. Its totient is φ = 56012096.

The previous prime is 210350719. The next prime is 210350747. The reversal of 210350730 is 37053012.

It is a happy number.

It is a super-2 number, since 2×210350730² = 88494859223065800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210350697 and 210350706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17572 + ... + 27008.

It is an arithmetic number, because the mean of its divisors is an integer number (15799212).

Almost surely, 2^210350730 is an apocalyptic number.

210350730 is an abundant number, since it is smaller than the sum of its proper divisors (295224054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210350730 is a wasteful number, since it uses less digits than its factorization.

210350730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 210350730 is about 14503.4730323464. The cubic root of 210350730 is about 594.7229178530.

The spelling of 210350730 in words is "two hundred ten million, three hundred fifty thousand, seven hundred thirty".