210029274 has 112 divisors (see below), whose sum is σ = 581720832. Its totient is φ = 55357344.

The previous prime is 210029263. The next prime is 210029297. The reversal of 210029274 is 472920012.

It is a super-2 number, since 2×210029274² = 88224591873934152, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 131887 + ... + 133469.

It is an arithmetic number, because the mean of its divisors is an integer number (5193936).

Almost surely, 2^210029274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210029274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290860416).

210029274 is an abundant number, since it is smaller than the sum of its proper divisors (371691558).

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

210029274 is a wasteful number, since it uses less digits than its factorization.

210029274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 210029274 is about 14492.3867599509. The cubic root of 210029274 is about 594.4198134170.

Adding to 210029274 its reverse (472920012), we get a palindrome (682949286).

It can be divided in two parts, 21002 and 9274, that added together give a square (30276 = 174²).

The spelling of 210029274 in words is "two hundred ten million, twenty-nine thousand, two hundred seventy-four".