67983525 has 36 divisors (see below), whose sum is σ = 122215392. Its totient is φ = 36124320.

The previous prime is 67983523. The next prime is 67983533. The reversal of 67983525 is 52538976.

It is a happy number.

It is not a de Polignac number, because 67983525 - 2¹ = 67983523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67983523) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 104752 + ... + 105398.

It is an arithmetic number, because the mean of its divisors is an integer number (3394872).

Almost surely, 2^67983525 is an apocalyptic number.

It is an amenable number.

67983525 is a deficient number, since it is larger than the sum of its proper divisors (54231867).

67983525 is a wasteful number, since it uses less digits than its factorization.

67983525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1122 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 67983525 is about 8245.2122471165. The cubic root of 67983525 is about 408.1325441627.

The spelling of 67983525 in words is "sixty-seven million, nine hundred eighty-three thousand, five hundred twenty-five".