52173072 has 180 divisors, whose sum is σ = 175720896. Its totient is φ = 14696640.

The previous prime is 52173029. The next prime is 52173073. The reversal of 52173072 is 27037125.

52173072 is a `hidden beast` number, since 521 + 73 + 0 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (52173073) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 734797 + ... + 734867.

Almost surely, 2^52173072 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 52173072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87860448).

52173072 is an abundant number, since it is smaller than the sum of its proper divisors (123547824).

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

52173072 is an frugal number, since it uses more digits than its factorization.

52173072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 83 counting only the distinct ones).

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

The square root of 52173072 is about 7223.0929663130. The cubic root of 52173072 is about 373.6647553004.

The spelling of 52173072 in words is "fifty-two million, one hundred seventy-three thousand, seventy-two".