64980224 has 36 divisors (see below), whose sum is σ = 132745536. Its totient is φ = 31729152.

The previous prime is 64980217. The next prime is 64980277. The reversal of 64980224 is 42208946.

It is a super-2 number, since 2×64980224² = 8444859022180352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8057 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (3687376).

Almost surely, 2^64980224 is an apocalyptic number.

64980224 is a gapful number since it is divisible by the number (64) 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 64980224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66372768).

64980224 is an abundant number, since it is smaller than the sum of its proper divisors (67765312).

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

64980224 is an equidigital number, since it uses as much as digits as its factorization.

64980224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 64980224 is about 8061.0311995426. The cubic root of 64980224 is about 402.0317953779.

The spelling of 64980224 in words is "sixty-four million, nine hundred eighty thousand, two hundred twenty-four".