63374220 has 288 divisors, whose sum is σ = 244363392. Its totient is φ = 12939264.

The previous prime is 63374219. The next prime is 63374221. The reversal of 63374220 is 2247336.

63374220 is a `hidden beast` number, since 633 + 7 + 4 + 2 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (63374219) and next prime (63374221).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63374221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 868104 + ... + 868176.

It is an arithmetic number, because the mean of its divisors is an integer number (848484).

Almost surely, 2^63374220 is an apocalyptic number.

63374220 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 63374220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122181696).

63374220 is an abundant number, since it is smaller than the sum of its proper divisors (180989172).

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

63374220 is a wasteful number, since it uses less digits than its factorization.

63374220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 63374220 is about 7960.7926740997. The cubic root of 63374220 is about 398.6920192948.

The spelling of 63374220 in words is "sixty-three million, three hundred seventy-four thousand, two hundred twenty".