63473652 has 144 divisors (see below), whose sum is σ = 189524160. Its totient is φ = 18216000.

The previous prime is 63473651. The next prime is 63473659. The reversal of 63473652 is 25637436.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (90720) is a multiple of the sum of its prime divisors (140).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63473651) 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, 628402 + ... + 628502.

It is an arithmetic number, because the mean of its divisors is an integer number (1316140).

Almost surely, 2^63473652 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 63473652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94762080).

63473652 is an abundant number, since it is smaller than the sum of its proper divisors (126050508).

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

63473652 is a wasteful number, since it uses less digits than its factorization.

63473652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 140 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 63473652 is about 7967.0353331713. The cubic root of 63473652 is about 398.9004217556.

It can be divided in two parts, 6347 and 3652, that added together give a palindrome (9999).

The spelling of 63473652 in words is "sixty-three million, four hundred seventy-three thousand, six hundred fifty-two".