73438025 has 6 divisors (see below), whose sum is σ = 91063182. Its totient is φ = 58750400.

The previous prime is 73438003. The next prime is 73438031. The reversal of 73438025 is 52083437.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22401289 + 51036736 = 4733^2 + 7144^2 .

It is not a de Polignac number, because 73438025 - 2¹² = 73433929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73437982 and 73438000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1468736 + ... + 1468785.

It is an arithmetic number, because the mean of its divisors is an integer number (15177197).

Almost surely, 2^73438025 is an apocalyptic number.

It is an amenable number.

73438025 is a deficient number, since it is larger than the sum of its proper divisors (17625157).

73438025 is a wasteful number, since it uses less digits than its factorization.

73438025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937531 (or 2937526 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 73438025 is about 8569.5988820948. The cubic root of 73438025 is about 418.7681688114.

The spelling of 73438025 in words is "seventy-three million, four hundred thirty-eight thousand, twenty-five".