67525438 has 16 divisors (see below), whose sum is σ = 103070160. Its totient is φ = 33172416.

The previous prime is 67525433. The next prime is 67525477. The reversal of 67525438 is 83452576.

It is a self number, because there is not a number n which added to its sum of digits gives 67525438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67525433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45553 + ... + 47011.

It is an arithmetic number, because the mean of its divisors is an integer number (6441885).

Almost surely, 2^67525438 is an apocalyptic number.

67525438 is a deficient number, since it is larger than the sum of its proper divisors (35544722).

67525438 is a wasteful number, since it uses less digits than its factorization.

67525438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 201600, while the sum is 40.

The square root of 67525438 is about 8217.3863241301. The cubic root of 67525438 is about 407.2137837360.

The spelling of 67525438 in words is "sixty-seven million, five hundred twenty-five thousand, four hundred thirty-eight".