63214340 has 48 divisors (see below), whose sum is σ = 152544000. Its totient is φ = 21555072.

The previous prime is 63214337. The next prime is 63214357. The reversal of 63214340 is 4341236.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26726 + ... + 28994.

It is an arithmetic number, because the mean of its divisors is an integer number (3178000).

Almost surely, 2^63214340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63214340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76272000).

63214340 is an abundant number, since it is smaller than the sum of its proper divisors (89329660).

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

63214340 is a wasteful number, since it uses less digits than its factorization.

63214340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63214340 is about 7950.7446192165. The cubic root of 63214340 is about 398.3564645605.

Adding to 63214340 its reverse (4341236), we get a palindrome (67555576).

The spelling of 63214340 in words is "sixty-three million, two hundred fourteen thousand, three hundred forty".