63742272 has 56 divisors (see below), whose sum is σ = 183989472. Its totient is φ = 19315200.

The previous prime is 63742253. The next prime is 63742277. The reversal of 63742272 is 27224736.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63742277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12979 + ... + 17202.

Almost surely, 2^63742272 is an apocalyptic number.

It is an amenable number.

63742272 is an abundant number, since it is smaller than the sum of its proper divisors (120247200).

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

63742272 is a wasteful number, since it uses less digits than its factorization.

63742272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30207 (or 30197 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 63742272 is about 7983.8757505362. The cubic root of 63742272 is about 399.4623443064.

It can be divided in two parts, 6374 and 2272, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 63742272 in words is "sixty-three million, seven hundred forty-two thousand, two hundred seventy-two".