64741626 has 64 divisors (see below), whose sum is σ = 153360000. Its totient is φ = 20186496.

The previous prime is 64741603. The next prime is 64741637. The reversal of 64741626 is 62614746.

64741626 is a `hidden beast` number, since 647 + 4 + 1 + 6 + 2 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 90960 + ... + 91668.

It is an arithmetic number, because the mean of its divisors is an integer number (2396250).

Almost surely, 2^64741626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64741626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76680000).

64741626 is an abundant number, since it is smaller than the sum of its proper divisors (88618374).

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

64741626 is a wasteful number, since it uses less digits than its factorization.

64741626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 64741626 is about 8046.2181178489. The cubic root of 64741626 is about 401.5391243116.

It can be divided in two parts, 6474 and 1626, that added together give a square (8100 = 90²).

The spelling of 64741626 in words is "sixty-four million, seven hundred forty-one thousand, six hundred twenty-six".