67774056 has 64 divisors (see below), whose sum is σ = 197616000. Its totient is φ = 19361664.

The previous prime is 67774039. The next prime is 67774061. The reversal of 67774056 is 65047776.

It is a super-2 number, since 2×67774056² = 9186645333382272, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 67773999 and 67774017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4116 + ... + 12348.

It is an arithmetic number, because the mean of its divisors is an integer number (3087750).

Almost surely, 2^67774056 is an apocalyptic number.

It is a pronic number, being equal to 8232×8233.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67774056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98808000).

67774056 is an abundant number, since it is smaller than the sum of its proper divisors (129841944).

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

67774056 is a wasteful number, since it uses less digits than its factorization.

67774056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 67774056 is about 8232.4999848163. The cubic root of 67774056 is about 407.7129372515.

The spelling of 67774056 in words is "sixty-seven million, seven hundred seventy-four thousand, fifty-six".