73200030 has 32 divisors (see below), whose sum is σ = 183320064. Its totient is φ = 18671136.

The previous prime is 73199993. The next prime is 73200037. The reversal of 73200030 is 3000237.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 73199982 and 73200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73200037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52354 + ... + 53733.

It is an arithmetic number, because the mean of its divisors is an integer number (5728752).

Almost surely, 2^73200030 is an apocalyptic number.

73200030 is an abundant number, since it is smaller than the sum of its proper divisors (110120034).

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

73200030 is a wasteful number, since it uses less digits than its factorization.

73200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106120.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 73200030 is about 8555.7016077000. The cubic root of 73200030 is about 418.3153035656.

Adding to 73200030 its reverse (3000237), we get a palindrome (76200267).

The spelling of 73200030 in words is "seventy-three million, two hundred thousand, thirty".