67448920 has 128 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 20620800.

The previous prime is 67448881. The next prime is 67448921. The reversal of 67448920 is 2984476.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67448921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187701 + ... + 188059.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^67448920 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 67448920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96422400).

67448920 is an abundant number, since it is smaller than the sum of its proper divisors (125395880).

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

67448920 is a wasteful number, since it uses less digits than its factorization.

67448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 67448920 is about 8212.7291444440. The cubic root of 67448920 is about 407.0599110513.

It can be divided in two parts, 674 and 48920, that added together give a palindrome (49594).

The spelling of 67448920 in words is "sixty-seven million, four hundred forty-eight thousand, nine hundred twenty".