67525390 has 8 divisors (see below), whose sum is σ = 121545720. Its totient is φ = 27010152.

The previous prime is 67525379. The next prime is 67525399. The reversal of 67525390 is 9352576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67525399) 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 3 ways as a sum of consecutive naturals, for example, 3376260 + ... + 3376279.

It is an arithmetic number, because the mean of its divisors is an integer number (15193215).

Almost surely, 2^67525390 is an apocalyptic number.

67525390 is a deficient number, since it is larger than the sum of its proper divisors (54020330).

67525390 is a wasteful number, since it uses less digits than its factorization.

67525390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752546.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 67525390 is about 8217.3834034929. The cubic root of 67525390 is about 407.2136872476.

The spelling of 67525390 in words is "sixty-seven million, five hundred twenty-five thousand, three hundred ninety".