63746748 has 144 divisors (see below), whose sum is σ = 187125120. Its totient is φ = 18133632.

The previous prime is 63746747. The next prime is 63746779. The reversal of 63746748 is 84764736.

63746748 is a `hidden beast` number, since 637 + 4 + 6 + 7 + 4 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (677376) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63746741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 595711 + ... + 595817.

It is an arithmetic number, because the mean of its divisors is an integer number (1299480).

Almost surely, 2^63746748 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 63746748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93562560).

63746748 is an abundant number, since it is smaller than the sum of its proper divisors (123378372).

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

63746748 is a wasteful number, since it uses less digits than its factorization.

63746748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 211 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 63746748 is about 7984.1560605990. The cubic root of 63746748 is about 399.4716942063.

The spelling of 63746748 in words is "sixty-three million, seven hundred forty-six thousand, seven hundred forty-eight".