73528230 has 32 divisors (see below), whose sum is σ = 186849504. Its totient is φ = 18454016.

The previous prime is 73528183. The next prime is 73528243. The reversal of 73528230 is 3282537.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71577 + ... + 72596.

It is an arithmetic number, because the mean of its divisors is an integer number (5839047).

Almost surely, 2^73528230 is an apocalyptic number.

73528230 is an abundant number, since it is smaller than the sum of its proper divisors (113321274).

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

73528230 is a wasteful number, since it uses less digits than its factorization.

73528230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144200.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 73528230 is about 8574.8603487171. The cubic root of 73528230 is about 418.9395583456.

The spelling of 73528230 in words is "seventy-three million, five hundred twenty-eight thousand, two hundred thirty".