67934636 has 48 divisors (see below), whose sum is σ = 148872192. Its totient is φ = 26352000.

The previous prime is 67934623. The next prime is 67934641. The reversal of 67934636 is 63643976.

It is a super-2 number, since 2×67934636² = 9230229536904992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112736 + ... + 113336.

It is an arithmetic number, because the mean of its divisors is an integer number (3101504).

Almost surely, 2^67934636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67934636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74436096).

67934636 is an abundant number, since it is smaller than the sum of its proper divisors (80937556).

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

67934636 is a wasteful number, since it uses less digits than its factorization.

67934636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 988 counting only the distinct ones).

The product of its digits is 489888, while the sum is 44.

The square root of 67934636 is about 8242.2470237187. The cubic root of 67934636 is about 408.0346872341.

The spelling of 67934636 in words is "sixty-seven million, nine hundred thirty-four thousand, six hundred thirty-six".