73032030 has 40 divisors (see below), whose sum is σ = 196377192. Its totient is φ = 19474992.

The previous prime is 73032023. The next prime is 73032053. The reversal of 73032030 is 3023037.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 73031994 and 73032012.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 44272 + ... + 45891.

Almost surely, 2^73032030 is an apocalyptic number.

73032030 is an abundant number, since it is smaller than the sum of its proper divisors (123345162).

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

73032030 is a wasteful number, since it uses less digits than its factorization.

73032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90182 (or 90173 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 73032030 is about 8545.8779537272. The cubic root of 73032030 is about 417.9950359216.

Adding to 73032030 its reverse (3023037), we get a palindrome (76055067).

The spelling of 73032030 in words is "seventy-three million, thirty-two thousand, thirty".