210071052 has 72 divisors (see below), whose sum is σ = 569159136. Its totient is φ = 65159424.

The previous prime is 210071009. The next prime is 210071053. The reversal of 210071052 is 250170012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210071053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27208 + ... + 34064.

It is an arithmetic number, because the mean of its divisors is an integer number (7904988).

Almost surely, 2^210071052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210071052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284579568).

210071052 is an abundant number, since it is smaller than the sum of its proper divisors (359088084).

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

210071052 is a wasteful number, since it uses less digits than its factorization.

210071052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927 (or 6922 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 210071052 is about 14493.8280657665. The cubic root of 210071052 is about 594.4592238352.

The spelling of 210071052 in words is "two hundred ten million, seventy-one thousand, fifty-two".