73555230 has 64 divisors (see below), whose sum is σ = 206696448. Its totient is φ = 16400640.

The previous prime is 73555211. The next prime is 73555231. The reversal of 73555230 is 3255537.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73555231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4339 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (3229632).

Almost surely, 2^73555230 is an apocalyptic number.

73555230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73555230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103348224).

73555230 is an abundant number, since it is smaller than the sum of its proper divisors (133141218).

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

73555230 is a wasteful number, since it uses less digits than its factorization.

73555230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 73555230 is about 8576.4345738774. The cubic root of 73555230 is about 418.9908310964.

The spelling of 73555230 in words is "seventy-three million, five hundred fifty-five thousand, two hundred thirty".