2173753332 has 36 divisors (see below), whose sum is σ = 5502667716. Its totient is φ = 723542400.

The previous prime is 2173753327. The next prime is 2173753333. The reversal of 2173753332 is 2333573712.

2173753332 is a `hidden beast` number, since 21 + 73 + 7 + 533 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 718025616 + 1455727716 = 26796^2 + 38154^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2173753332² = 9450407096762204448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173753333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17833 + ... + 68304.

It is an arithmetic number, because the mean of its divisors is an integer number (152851881).

Almost surely, 2^2173753332 is an apocalyptic number.

It is an amenable number.

2173753332 is an abundant number, since it is smaller than the sum of its proper divisors (3328914384).

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

2173753332 is a wasteful number, since it uses less digits than its factorization.

2173753332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86848 (or 86843 counting only the distinct ones).

The product of its digits is 79380, while the sum is 36.

The square root of 2173753332 is about 46623.5276657612. The cubic root of 2173753332 is about 1295.3985907006.

The spelling of 2173753332 in words is "two billion, one hundred seventy-three million, seven hundred fifty-three thousand, three hundred thirty-two".