67649325 has 24 divisors (see below), whose sum is σ = 116712768. Its totient is φ = 34510080.

The previous prime is 67649311. The next prime is 67649327. The reversal of 67649325 is 52394676.

It is not a de Polignac number, because 67649325 - 2¹² = 67645229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67649327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17884 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (4863032).

Almost surely, 2^67649325 is an apocalyptic number.

It is an amenable number.

67649325 is a deficient number, since it is larger than the sum of its proper divisors (49063443).

67649325 is a wasteful number, since it uses less digits than its factorization.

67649325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39253 (or 39248 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 67649325 is about 8224.9209722647. The cubic root of 67649325 is about 407.4626661068.

The spelling of 67649325 in words is "sixty-seven million, six hundred forty-nine thousand, three hundred twenty-five".