67057396 has 48 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 27554688.

The previous prime is 67057387. The next prime is 67057399. The reversal of 67057396 is 69375076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67057399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218275 + ... + 218581.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^67057396 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 67057396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69854400).

67057396 is an abundant number, since it is smaller than the sum of its proper divisors (72651404).

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

67057396 is a wasteful number, since it uses less digits than its factorization.

67057396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 67057396 is about 8188.8580400444. The cubic root of 67057396 is about 406.2707553577.

The spelling of 67057396 in words is "sixty-seven million, fifty-seven thousand, three hundred ninety-six".