63457492 has 48 divisors (see below), whose sum is σ = 135031680. Its totient is φ = 25488000.

The previous prime is 63457489. The next prime is 63457517. The reversal of 63457492 is 29475436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53142 + ... + 54322.

It is an arithmetic number, because the mean of its divisors is an integer number (2813160).

Almost surely, 2^63457492 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 63457492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67515840).

63457492 is an abundant number, since it is smaller than the sum of its proper divisors (71574188).

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

63457492 is a wasteful number, since it uses less digits than its factorization.

63457492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1310 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 63457492 is about 7966.0210896030. The cubic root of 63457492 is about 398.8665663539.

The spelling of 63457492 in words is "sixty-three million, four hundred fifty-seven thousand, four hundred ninety-two".