67630530 has 96 divisors (see below), whose sum is σ = 184472064. Its totient is φ = 15840000.

The previous prime is 67630513. The next prime is 67630531. The reversal of 67630530 is 3503676.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (67630531) 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 47 ways as a sum of consecutive naturals, for example, 112230 + ... + 112830.

It is an arithmetic number, because the mean of its divisors is an integer number (1921584).

Almost surely, 2^67630530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67630530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92236032).

67630530 is an abundant number, since it is smaller than the sum of its proper divisors (116841534).

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

67630530 is a wasteful number, since it uses less digits than its factorization.

67630530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 67630530 is about 8223.7783287246. The cubic root of 67630530 is about 407.4249275182.

The spelling of 67630530 in words is "sixty-seven million, six hundred thirty thousand, five hundred thirty".