67630536 has 48 divisors (see below), whose sum is σ = 183812460. Its totient is φ = 22464000.

The previous prime is 67630531. The next prime is 67630559. The reversal of 67630536 is 63503676.

67630536 = 160² + 161² + ... + 591².

67630536 is a `hidden beast` number, since 67 + 63 + 0 + 536 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60372900 + 7257636 = 7770^2 + 2694^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67630536.

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 11 ways as a sum of consecutive naturals, for example, 21036 + ... + 24036.

Almost surely, 2^67630536 is an apocalyptic number.

It is an amenable number.

67630536 is an abundant number, since it is smaller than the sum of its proper divisors (116181924).

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

67630536 is a wasteful number, since it uses less digits than its factorization.

67630536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 67630536 is about 8223.7786935204. The cubic root of 67630536 is about 407.4249395667.

The spelling of 67630536 in words is "sixty-seven million, six hundred thirty thousand, five hundred thirty-six".