67783025 has 12 divisors (see below), whose sum is σ = 85638492. Its totient is φ = 53202240.

The previous prime is 67782997. The next prime is 67783033. The reversal of 67783025 is 52038776.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6927424 + 60855601 = 2632^2 + 7801^2 .

It is not a de Polignac number, because 67783025 - 2²⁰ = 66734449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67783025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24254 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (7136541).

Almost surely, 2^67783025 is an apocalyptic number.

It is an amenable number.

67783025 is a deficient number, since it is larger than the sum of its proper divisors (17855467).

67783025 is a wasteful number, since it uses less digits than its factorization.

67783025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51220 (or 51215 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 67783025 is about 8233.0446980446. The cubic root of 67783025 is about 407.7309215966.

The spelling of 67783025 in words is "sixty-seven million, seven hundred eighty-three thousand, twenty-five".