67257696 has 48 divisors (see below), whose sum is σ = 192604608. Its totient is φ = 20380800.

The previous prime is 67257691. The next prime is 67257703. The reversal of 67257696 is 69675276.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67257691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30790 + ... + 32901.

It is an arithmetic number, because the mean of its divisors is an integer number (4012596).

Almost surely, 2^67257696 is an apocalyptic number.

67257696 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

67257696 is an abundant number, since it is smaller than the sum of its proper divisors (125346912).

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

67257696 is a wasteful number, since it uses less digits than its factorization.

67257696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63715 (or 63707 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 67257696 is about 8201.0789534061. The cubic root of 67257696 is about 406.6748626256.

The spelling of 67257696 in words is "sixty-seven million, two hundred fifty-seven thousand, six hundred ninety-six".