67860480 has 144 divisors (see below), whose sum is σ = 221817960. Its totient is φ = 17711104.

The previous prime is 67860473. The next prime is 67860491. The reversal of 67860480 is 8406876.

It is a super-4 number, since 4×67860480⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443817 + ... + 1443863.

Almost surely, 2^67860480 is an apocalyptic number.

67860480 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 67860480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110908980).

67860480 is an abundant number, since it is smaller than the sum of its proper divisors (153957480).

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

67860480 is an equidigital number, since it uses as much as digits as its factorization.

67860480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 67860480 is about 8237.7472648777. The cubic root of 67860480 is about 407.8861658589.

The spelling of 67860480 in words is "sixty-seven million, eight hundred sixty thousand, four hundred eighty".