73148025 has 48 divisors (see below), whose sum is σ = 129527424. Its totient is φ = 36295680.

The previous prime is 73148017. The next prime is 73148029. The reversal of 73148025 is 52084137.

It is not a de Polignac number, because 73148025 - 2³ = 73148017 is a prime.

It is a super-2 number, since 2×73148025² = 10701267122801250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73147983 and 73148001.

It is not an unprimeable number, because it can be changed into a prime (73148029) 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 47 ways as a sum of consecutive naturals, for example, 131047 + ... + 131603.

It is an arithmetic number, because the mean of its divisors is an integer number (2698488).

Almost surely, 2^73148025 is an apocalyptic number.

73148025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73148025 is a deficient number, since it is larger than the sum of its proper divisors (56379399).

73148025 is a wasteful number, since it uses less digits than its factorization.

73148025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 73148025 is about 8552.6618663431. The cubic root of 73148025 is about 418.2162159867.

The spelling of 73148025 in words is "seventy-three million, one hundred forty-eight thousand, twenty-five".