67123040 has 48 divisors (see below), whose sum is σ = 160157088. Its totient is φ = 26582016.

The previous prime is 67123033. The next prime is 67123051. The reversal of 67123040 is 4032176.

It is a junction number, because it is equal to n+sod(n) for n = 67122997 and 67123015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444 + ... + 18516.

It is an arithmetic number, because the mean of its divisors is an integer number (3336606).

Almost surely, 2^67123040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67123040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80078544).

67123040 is an abundant number, since it is smaller than the sum of its proper divisors (93034048).

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

67123040 is a wasteful number, since it uses less digits than its factorization.

67123040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191 (or 4183 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 67123040 is about 8192.8651886870. The cubic root of 67123040 is about 406.4032813301.

The spelling of 67123040 in words is "sixty-seven million, one hundred twenty-three thousand, forty".