63577332 has 96 divisors (see below), whose sum is σ = 202899200. Its totient is φ = 16765056.

The previous prime is 63577321. The next prime is 63577333. The reversal of 63577332 is 23377536.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63577333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6594 + ... + 13062.

Almost surely, 2^63577332 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 63577332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101449600).

63577332 is an abundant number, since it is smaller than the sum of its proper divisors (139321868).

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

63577332 is a wasteful number, since it uses less digits than its factorization.

63577332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502 (or 6494 counting only the distinct ones).

The product of its digits is 79380, while the sum is 36.

The square root of 63577332 is about 7973.5394900885. The cubic root of 63577332 is about 399.1174960656.

It can be divided in two parts, 6357 and 7332, that added together give a square (13689 = 117²).

The spelling of 63577332 in words is "sixty-three million, five hundred seventy-seven thousand, three hundred thirty-two".