64054620 has 144 divisors (see below), whose sum is σ = 229844160. Its totient is φ = 14128128.

The previous prime is 64054603. The next prime is 64054621. The reversal of 64054620 is 2645046.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64054621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35664 + ... + 37416.

It is an arithmetic number, because the mean of its divisors is an integer number (1596140).

Almost surely, 2^64054620 is an apocalyptic number.

64054620 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 64054620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114922080).

64054620 is an abundant number, since it is smaller than the sum of its proper divisors (165789540).

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

64054620 is a wasteful number, since it uses less digits than its factorization.

64054620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64054620 is about 8003.4130219551. The cubic root of 64054620 is about 400.1137593106.

Adding to 64054620 its reverse (2645046), we get a palindrome (66699666).

It can be divided in two parts, 6405 and 4620, that added together give a square (11025 = 105²).

The spelling of 64054620 in words is "sixty-four million, fifty-four thousand, six hundred twenty".