210051072 has 336 divisors, whose sum is σ = 776947392. Its totient is φ = 53084160.

The previous prime is 210051047. The next prime is 210051103. The reversal of 210051072 is 270150012.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5677038 + ... + 5677074.

Almost surely, 2^210051072 is an apocalyptic number.

210051072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210051072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388473696).

210051072 is an abundant number, since it is smaller than the sum of its proper divisors (566896320).

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

210051072 is a wasteful number, since it uses less digits than its factorization.

210051072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 60 counting only the distinct ones).

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

The square root of 210051072 is about 14493.1387904760. The cubic root of 210051072 is about 594.4403767646.

The spelling of 210051072 in words is "two hundred ten million, fifty-one thousand, seventy-two".