67420080 has 400 divisors, whose sum is σ = 291752160. Its totient is φ = 14224896.

The previous prime is 67420063. The next prime is 67420091. The reversal of 67420080 is 8002476.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5186154 + ... + 5186166.

Almost surely, 2^67420080 is an apocalyptic number.

67420080 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 67420080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145876080).

67420080 is an abundant number, since it is smaller than the sum of its proper divisors (224332080).

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

67420080 is a wasteful number, since it uses less digits than its factorization.

67420080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 67420080 is about 8210.9731457361. The cubic root of 67420080 is about 407.0018855042.

The spelling of 67420080 in words is "sixty-seven million, four hundred twenty thousand, eighty".