64067454 has 48 divisors (see below), whose sum is σ = 152216064. Its totient is φ = 19314000.

The previous prime is 64067417. The next prime is 64067459. The reversal of 64067454 is 45476046.

64067454 is a `hidden beast` number, since 640 + 6 + 7 + 4 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64067459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43429 + ... + 44879.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

Almost surely, 2^64067454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64067454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76108032).

64067454 is an abundant number, since it is smaller than the sum of its proper divisors (88148610).

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

64067454 is a wasteful number, since it uses less digits than its factorization.

64067454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 64067454 is about 8004.2147647349. The cubic root of 64067454 is about 400.1404798244.

The spelling of 64067454 in words is "sixty-four million, sixty-seven thousand, four hundred fifty-four".