67885245 has 12 divisors (see below), whose sum is σ = 117667836. Its totient is φ = 36205440.

The previous prime is 67885219. The next prime is 67885247. The reversal of 67885245 is 54258876.

It can be written as a sum of positive squares in 2 ways, for example, as 32387481 + 35497764 = 5691^2 + 5958^2 .

It is not a de Polignac number, because 67885245 - 2¹³ = 67877053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1508561 = 67885245 / (6 + 7 + 8 + 8 + 5 + 2 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67885245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67885247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754236 + ... + 754325.

It is an arithmetic number, because the mean of its divisors is an integer number (9805653).

Almost surely, 2^67885245 is an apocalyptic number.

It is an amenable number.

67885245 is a deficient number, since it is larger than the sum of its proper divisors (49782591).

67885245 is a wasteful number, since it uses less digits than its factorization.

67885245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508572 (or 1508569 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 67885245 is about 8239.2502692903. The cubic root of 67885245 is about 407.9357778096.

The spelling of 67885245 in words is "sixty-seven million, eight hundred eighty-five thousand, two hundred forty-five".