67057960 has 64 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 25305600.

The previous prime is 67057951. The next prime is 67057967. The reversal of 67057960 is 6975076.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (67057967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50181 + ... + 51499.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^67057960 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 67057960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79833600).

67057960 is an abundant number, since it is smaller than the sum of its proper divisors (92609240).

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

67057960 is a wasteful number, since it uses less digits than its factorization.

67057960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 67057960 is about 8188.8924770081. The cubic root of 67057960 is about 406.2718943624.

The spelling of 67057960 in words is "sixty-seven million, fifty-seven thousand, nine hundred sixty".