67438256 has 10 divisors (see below), whose sum is σ = 130661652. Its totient is φ = 33719120.

The previous prime is 67438249. The next prime is 67438291. The reversal of 67438256 is 65283476.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107430 + ... + 2107461.

Almost surely, 2^67438256 is an apocalyptic number.

It is an amenable number.

67438256 is a deficient number, since it is larger than the sum of its proper divisors (63223396).

67438256 is a wasteful number, since it uses less digits than its factorization.

67438256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214899 (or 4214893 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 67438256 is about 8212.0798827094. The cubic root of 67438256 is about 407.0384572080.

The spelling of 67438256 in words is "sixty-seven million, four hundred thirty-eight thousand, two hundred fifty-six".