67361256 has 48 divisors (see below), whose sum is σ = 183795300. Its totient is φ = 22286592.

The previous prime is 67361209. The next prime is 67361269. The reversal of 67361256 is 65216376.

It can be written as a sum of positive squares in 2 ways, for example, as 67076100 + 285156 = 8190^2 + 534^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67361256.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6450 + ... + 13278.

Almost surely, 2^67361256 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 67361256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91897650).

67361256 is an abundant number, since it is smaller than the sum of its proper divisors (116434044).

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

67361256 is a wasteful number, since it uses less digits than its factorization.

67361256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978 (or 6971 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 67361256 is about 8207.3903282347. The cubic root of 67361256 is about 406.8834813865.

The spelling of 67361256 in words is "sixty-seven million, three hundred sixty-one thousand, two hundred fifty-six".