67398480 has 120 divisors (see below), whose sum is σ = 234797472. Its totient is φ = 17967744.

The previous prime is 67398469. The next prime is 67398493. The reversal of 67398480 is 8489376.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17707 + ... + 21173.

Almost surely, 2^67398480 is an apocalyptic number.

67398480 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 67398480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117398736).

67398480 is an abundant number, since it is smaller than the sum of its proper divisors (167398992).

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

67398480 is a wasteful number, since it uses less digits than its factorization.

67398480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 67398480 is about 8209.6577273355. The cubic root of 67398480 is about 406.9584158646.

The spelling of 67398480 in words is "sixty-seven million, three hundred ninety-eight thousand, four hundred eighty".