73011825 has 18 divisors (see below), whose sum is σ = 130772694. Its totient is φ = 38939520.

The previous prime is 73011811. The next prime is 73011833. The reversal of 73011825 is 52811037.

It can be written as a sum of positive squares in 3 ways, for example, as 8225424 + 64786401 = 2868^2 + 8049^2 .

It is not a de Polignac number, because 73011825 - 2⁹ = 73011313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162024 + ... + 162473.

Almost surely, 2^73011825 is an apocalyptic number.

73011825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

73011825 is a deficient number, since it is larger than the sum of its proper divisors (57760869).

73011825 is a wasteful number, since it uses less digits than its factorization.

73011825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324513 (or 324505 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 73011825 is about 8544.6957230787. The cubic root of 73011825 is about 417.9564849430.

The spelling of 73011825 in words is "seventy-three million, eleven thousand, eight hundred twenty-five".