67625440 has 48 divisors (see below), whose sum is σ = 160807248. Its totient is φ = 26873856.

The previous prime is 67625431. The next prime is 67625443. The reversal of 67625440 is 4452676.

It is a junction number, because it is equal to n+sod(n) for n = 67625396 and 67625405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67625443) 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 7 ways as a sum of consecutive naturals, for example, 24784 + ... + 27376.

It is an arithmetic number, because the mean of its divisors is an integer number (3350151).

Almost surely, 2^67625440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67625440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80403624).

67625440 is an abundant number, since it is smaller than the sum of its proper divisors (93181808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67625440 is a wasteful number, since it uses less digits than its factorization.

67625440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 67625440 is about 8223.4688544434. The cubic root of 67625440 is about 407.4147060747.

The spelling of 67625440 in words is "sixty-seven million, six hundred twenty-five thousand, four hundred forty".