64113420 has 96 divisors (see below), whose sum is σ = 214115328. Its totient is φ = 14015232.

The previous prime is 64113419. The next prime is 64113457. The reversal of 64113420 is 2431146.

64113420 = T₂₈₁ + T₂₈₂ + ... + T₇₄₀.

It is a super-2 number, since 2×64113420² = 8221061248192800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6342 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (2230368).

Almost surely, 2^64113420 is an apocalyptic number.

64113420 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 64113420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107057664).

64113420 is an abundant number, since it is smaller than the sum of its proper divisors (150001908).

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

64113420 is a wasteful number, since it uses less digits than its factorization.

64113420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679 (or 6677 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64113420 is about 8007.0856121313. The cubic root of 64113420 is about 400.2361522196.

Adding to 64113420 its reverse (2431146), we get a palindrome (66544566).

The spelling of 64113420 in words is "sixty-four million, one hundred thirteen thousand, four hundred twenty".