67256947236 has 24 divisors (see below), whose sum is σ = 160582479904. Its totient is φ = 21897610560.

The previous prime is 67256947223. The next prime is 67256947249. The reversal of 67256947236 is 63274965276.

It is an interprime number because it is at equal distance from previous prime (67256947223) and next prime (67256947249).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65170945 + ... + 65171976.

Almost surely, 2^67256947236 is an apocalyptic number.

It is an amenable number.

67256947236 is an abundant number, since it is smaller than the sum of its proper divisors (93325532668).

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

67256947236 is a wasteful number, since it uses less digits than its factorization.

67256947236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130342971 (or 130342969 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The spelling of 67256947236 in words is "sixty-seven billion, two hundred fifty-six million, nine hundred forty-seven thousand, two hundred thirty-six".