63232290 has 96 divisors (see below), whose sum is σ = 187214976. Its totient is φ = 14657280.

The previous prime is 63232283. The next prime is 63232327. The reversal of 63232290 is 9223236.

63232290 is a `hidden beast` number, since 632 + 3 + 2 + 29 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21382 + ... + 24158.

It is an arithmetic number, because the mean of its divisors is an integer number (1950156).

Almost surely, 2^63232290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63232290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93607488).

63232290 is an abundant number, since it is smaller than the sum of its proper divisors (123982686).

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

63232290 is a wasteful number, since it uses less digits than its factorization.

63232290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 63232290 is about 7951.8733641828. The cubic root of 63232290 is about 398.3941660369.

The spelling of 63232290 in words is "sixty-three million, two hundred thirty-two thousand, two hundred ninety".