2170700532 has 576 divisors, whose sum is σ = 8054452224. Its totient is φ = 492687360.

The previous prime is 2170700461. The next prime is 2170700533. The reversal of 2170700532 is 2350070712.

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

It is a junction number, because it is equal to n+sod(n) for n = 2170700496 and 2170700505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170700533) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22378308 + ... + 22378404.

It is an arithmetic number, because the mean of its divisors is an integer number (13983424).

Almost surely, 2^2170700532 is an apocalyptic number.

2170700532 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 2170700532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4027226112).

2170700532 is an abundant number, since it is smaller than the sum of its proper divisors (5883751692).

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

2170700532 is a wasteful number, since it uses less digits than its factorization.

2170700532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 2170700532 is about 46590.7773277073. Note that the first 3 decimals coincide. The cubic root of 2170700532 is about 1294.7918911470.

The spelling of 2170700532 in words is "two billion, one hundred seventy million, seven hundred thousand, five hundred thirty-two".