67670500 has 48 divisors (see below), whose sum is σ = 151442928. Its totient is φ = 26400000.

The previous prime is 67670497. The next prime is 67670503. The reversal of 67670500 is 507676.

67670500 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (67670497) and next prime (67670503).

It can be written as a sum of positive squares in 8 ways, for example, as 50580544 + 17089956 = 7112^2 + 4134^2 .

It is a Smith number, since the sum of its digits (31) 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 (67670503) 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, 18850 + ... + 22150.

It is an arithmetic number, because the mean of its divisors is an integer number (3155061).

Almost surely, 2^67670500 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 67670500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75721464).

67670500 is an abundant number, since it is smaller than the sum of its proper divisors (83772428).

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

67670500 is a wasteful number, since it uses less digits than its factorization.

67670500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 67670500 is about 8226.2081179605. The cubic root of 67670500 is about 407.5051751385.

The spelling of 67670500 in words is "sixty-seven million, six hundred seventy thousand, five hundred".