67426944 has 96 divisors (see below), whose sum is σ = 194126400. Its totient is φ = 20726784.

The previous prime is 67426907. The next prime is 67426951. The reversal of 67426944 is 44962476.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 67426896 and 67426905.

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, 64377 + ... + 65415.

It is an arithmetic number, because the mean of its divisors is an integer number (2022150).

Almost surely, 2^67426944 is an apocalyptic number.

67426944 is a gapful number since it is divisible by the number (64) 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 67426944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97063200).

67426944 is an abundant number, since it is smaller than the sum of its proper divisors (126699456).

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

67426944 is a wasteful number, since it uses less digits than its factorization.

67426944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1057 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 67426944 is about 8211.3911123512. The cubic root of 67426944 is about 407.0156972457.

The spelling of 67426944 in words is "sixty-seven million, four hundred twenty-six thousand, nine hundred forty-four".