64822680 has 288 divisors, whose sum is σ = 247993200. Its totient is φ = 15116544.

The previous prime is 64822679. The next prime is 64822691. The reversal of 64822680 is 8622846.

64822680 is a `hidden beast` number, since 648 + 2 + 2 + 6 + 8 + 0 = 666.

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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3411711 + ... + 3411729.

Almost surely, 2^64822680 is an apocalyptic number.

64822680 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 64822680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123996600).

64822680 is an abundant number, since it is smaller than the sum of its proper divisors (183170520).

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

64822680 is a wasteful number, since it uses less digits than its factorization.

64822680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 64822680 is about 8051.2533185834. The cubic root of 64822680 is about 401.7066248898.

The spelling of 64822680 in words is "sixty-four million, eight hundred twenty-two thousand, six hundred eighty".