67630436 has 12 divisors (see below), whose sum is σ = 122434620. Its totient is φ = 32649120.

The previous prime is 67630427. The next prime is 67630439. The reversal of 67630436 is 63403676.

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 17305600 = 7094^2 + 4160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67630396 and 67630405.

It is not an unprimeable number, because it can be changed into a prime (67630439) 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 3 ways as a sum of consecutive naturals, for example, 291395 + ... + 291626.

It is an arithmetic number, because the mean of its divisors is an integer number (10202885).

Almost surely, 2^67630436 is an apocalyptic number.

It is an amenable number.

67630436 is a deficient number, since it is larger than the sum of its proper divisors (54804184).

67630436 is a wasteful number, since it uses less digits than its factorization.

67630436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583054 (or 583052 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 67630436 is about 8223.7726135880. The cubic root of 67630436 is about 407.4247387574.

The spelling of 67630436 in words is "sixty-seven million, six hundred thirty thousand, four hundred thirty-six".