67436628 has 48 divisors (see below), whose sum is σ = 180534144. Its totient is φ = 19192320.

The previous prime is 67436623. The next prime is 67436669. The reversal of 67436628 is 82663476.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 67436628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67436623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22176 + ... + 25032.

It is an arithmetic number, because the mean of its divisors is an integer number (3761128).

Almost surely, 2^67436628 is an apocalyptic number.

It is an amenable number.

67436628 is an abundant number, since it is smaller than the sum of its proper divisors (113097516).

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

67436628 is a wasteful number, since it uses less digits than its factorization.

67436628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152 (or 3150 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 67436628 is about 8211.9807598411. The cubic root of 67436628 is about 407.0351817974.

The spelling of 67436628 in words is "sixty-seven million, four hundred thirty-six thousand, six hundred twenty-eight".