67722480 has 200 divisors, whose sum is σ = 268991712. Its totient is φ = 15469056.

The previous prime is 67722467. The next prime is 67722491. The reversal of 67722480 is 8422776.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44614 + ... + 46106.

Almost surely, 2^67722480 is an apocalyptic number.

67722480 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 67722480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134495856).

67722480 is an abundant number, since it is smaller than the sum of its proper divisors (201269232).

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

67722480 is a wasteful number, since it uses less digits than its factorization.

67722480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 67722480 is about 8229.3669258334. The cubic root of 67722480 is about 407.6094879372.

The spelling of 67722480 in words is "sixty-seven million, seven hundred twenty-two thousand, four hundred eighty".