67631460 has 96 divisors (see below), whose sum is σ = 210588672. Its totient is φ = 16104960.

The previous prime is 67631453. The next prime is 67631461. The reversal of 67631460 is 6413676.

It is not an unprimeable number, because it can be changed into a prime (67631461) 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 31 ways as a sum of consecutive naturals, for example, 22782 + ... + 25578.

It is an arithmetic number, because the mean of its divisors is an integer number (2193632).

Almost surely, 2^67631460 is an apocalyptic number.

67631460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67631460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105294336).

67631460 is an abundant number, since it is smaller than the sum of its proper divisors (142957212).

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

67631460 is a wasteful number, since it uses less digits than its factorization.

67631460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 67631460 is about 8223.8348718831. The cubic root of 67631460 is about 407.4267950349.

The spelling of 67631460 in words is "sixty-seven million, six hundred thirty-one thousand, four hundred sixty".