67676544 has 96 divisors (see below), whose sum is σ = 209773200. Its totient is φ = 20818944.

The previous prime is 67676533. The next prime is 67676551. The reversal of 67676544 is 44567676.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×67676544³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 67676544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12717 + ... + 17235.

Almost surely, 2^67676544 is an apocalyptic number.

67676544 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67676544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104886600).

67676544 is an abundant number, since it is smaller than the sum of its proper divisors (142096656).

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

67676544 is a wasteful number, since it uses less digits than its factorization.

67676544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 4537 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 67676544 is about 8226.5754722120. The cubic root of 67676544 is about 407.5173069042.

The spelling of 67676544 in words is "sixty-seven million, six hundred seventy-six thousand, five hundred forty-four".