67426560 has 144 divisors (see below), whose sum is σ = 239393280. Its totient is φ = 17971200.

The previous prime is 67426559. The next prime is 67426561. The reversal of 67426560 is 6562476.

67426560 is a `hidden beast` number, since 6 + 74 + 26 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (67426559) and next prime (67426561).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67426561) 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 15 ways as a sum of consecutive naturals, for example, 33585 + ... + 35535.

Almost surely, 2^67426560 is an apocalyptic number.

67426560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119696640).

67426560 is an abundant number, since it is smaller than the sum of its proper divisors (171966720).

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

67426560 is a wasteful number, since it uses less digits than its factorization.

67426560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 67426560 is about 8211.3677301653. The cubic root of 67426560 is about 407.0149245856.

The spelling of 67426560 in words is "sixty-seven million, four hundred twenty-six thousand, five hundred sixty".