67448520 has 192 divisors, whose sum is σ = 236545920. Its totient is φ = 16607232.

The previous prime is 67448501. The next prime is 67448527. The reversal of 67448520 is 2584476.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67448527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 630307 + ... + 630413.

It is an arithmetic number, because the mean of its divisors is an integer number (1232010).

Almost surely, 2^67448520 is an apocalyptic number.

67448520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67448520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118272960).

67448520 is an abundant number, since it is smaller than the sum of its proper divisors (169097400).

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

67448520 is a wasteful number, since it uses less digits than its factorization.

67448520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 67448520 is about 8212.7047919671. The cubic root of 67448520 is about 407.0591063718.

It can be divided in two parts, 674 and 48520, that added together give a palindrome (49194).

The spelling of 67448520 in words is "sixty-seven million, four hundred forty-eight thousand, five hundred twenty".