63257472 has 96 divisors (see below), whose sum is σ = 186409080. Its totient is φ = 20579328.

The previous prime is 63257471. The next prime is 63257477. The reversal of 63257472 is 27475236.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 (63257471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48898 + ... + 50174.

Almost surely, 2^63257472 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 63257472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93204540).

63257472 is an abundant number, since it is smaller than the sum of its proper divisors (123151608).

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

63257472 is a wasteful number, since it uses less digits than its factorization.

63257472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1325 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 63257472 is about 7953.4566070357. The cubic root of 63257472 is about 398.4470452984.

The spelling of 63257472 in words is "sixty-three million, two hundred fifty-seven thousand, four hundred seventy-two".