63344772 has 36 divisors (see below), whose sum is σ = 160374396. Its totient is φ = 21081600.

The previous prime is 63344761. The next prime is 63344789. The reversal of 63344772 is 27744336.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35212356 + 28132416 = 5934^2 + 5304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34272 + ... + 36072.

Almost surely, 2^63344772 is an apocalyptic number.

It is an amenable number.

63344772 is an abundant number, since it is smaller than the sum of its proper divisors (97029624).

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

63344772 is a wasteful number, since it uses less digits than its factorization.

63344772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2783 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 63344772 is about 7958.9428946312. The cubic root of 63344772 is about 398.6302565277.

The spelling of 63344772 in words is "sixty-three million, three hundred forty-four thousand, seven hundred seventy-two".