73055250 has 128 divisors (see below), whose sum is σ = 206668800. Its totient is φ = 19094400.

The previous prime is 73055173. The next prime is 73055267. The reversal of 73055250 is 5255037.

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

It is a Curzon number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533182 + ... + 533318.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^73055250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73055250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103334400).

73055250 is an abundant number, since it is smaller than the sum of its proper divisors (133613550).

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

73055250 is a wasteful number, since it uses less digits than its factorization.

73055250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 73055250 is about 8547.2363954673. The cubic root of 73055250 is about 418.0393307161.

The spelling of 73055250 in words is "seventy-three million, fifty-five thousand, two hundred fifty".