67316620 has 48 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 21864384.

The previous prime is 67316609. The next prime is 67316621. The reversal of 67316620 is 2661376.

It is not an unprimeable number, because it can be changed into a prime (67316621) 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, 9994 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (3543120).

Almost surely, 2^67316620 is an apocalyptic number.

It is an amenable number.

67316620 is an abundant number, since it is smaller than the sum of its proper divisors (102753140).

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

67316620 is a wasteful number, since it uses less digits than its factorization.

67316620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25342 (or 25340 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 67316620 is about 8204.6706210548. The cubic root of 67316620 is about 406.7935896339.

Adding to 67316620 its reverse (2661376), we get a palindrome (69977996).

The spelling of 67316620 in words is "sixty-seven million, three hundred sixteen thousand, six hundred twenty".