73089148 has 12 divisors (see below), whose sum is σ = 139533912. Its totient is φ = 33222320.

The previous prime is 73089139. The next prime is 73089157. The reversal of 73089148 is 84198037.

It is an interprime number because it is at equal distance from previous prime (73089139) and next prime (73089157).

It is a self number, because there is not a number n which added to its sum of digits gives 73089148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830515 + ... + 830602.

It is an arithmetic number, because the mean of its divisors is an integer number (11627826).

Almost surely, 2^73089148 is an apocalyptic number.

It is an amenable number.

73089148 is a deficient number, since it is larger than the sum of its proper divisors (66444764).

73089148 is a wasteful number, since it uses less digits than its factorization.

73089148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661132 (or 1661130 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 73089148 is about 8549.2191456296. The cubic root of 73089148 is about 418.1039781623.

Subtracting 73089148 from its reverse (84198037), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 73089 and 148, that added together give a palindrome (73237).

The spelling of 73089148 in words is "seventy-three million, eighty-nine thousand, one hundred forty-eight".