63488790 has 48 divisors (see below), whose sum is σ = 165464208. Its totient is φ = 16890048.

The previous prime is 63488783. The next prime is 63488797. The reversal of 63488790 is 9788436.

It is a happy number.

63488790 is a `hidden beast` number, since 634 + 8 + 8 + 7 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (63488783) and next prime (63488797).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63488797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74004 + ... + 74856.

It is an arithmetic number, because the mean of its divisors is an integer number (3447171).

Almost surely, 2^63488790 is an apocalyptic number.

63488790 is an abundant number, since it is smaller than the sum of its proper divisors (101975418).

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

63488790 is a wasteful number, since it uses less digits than its factorization.

63488790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 63488790 is about 7967.9853162515. The cubic root of 63488790 is about 398.9321308423.

The spelling of 63488790 in words is "sixty-three million, four hundred eighty-eight thousand, seven hundred ninety".