67097320 has 64 divisors (see below), whose sum is σ = 156219840. Its totient is φ = 25920000.

The previous prime is 67097297. The next prime is 67097321. The reversal of 67097320 is 2379076.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67097321) 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, 267195 + ... + 267445.

It is an arithmetic number, because the mean of its divisors is an integer number (2440935).

Almost surely, 2^67097320 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 67097320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78109920).

67097320 is an abundant number, since it is smaller than the sum of its proper divisors (89122520).

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

67097320 is a wasteful number, since it uses less digits than its factorization.

67097320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 67097320 is about 8191.2953798529. The cubic root of 67097320 is about 406.3513665789.

The spelling of 67097320 in words is "sixty-seven million, ninety-seven thousand, three hundred twenty".