63653742 has 64 divisors (see below), whose sum is σ = 150543360. Its totient is φ = 19891872.

The previous prime is 63653699. The next prime is 63653767. The reversal of 63653742 is 24735636.

It is a junction number, because it is equal to n+sod(n) for n = 63653697 and 63653706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65343 + ... + 66309.

It is an arithmetic number, because the mean of its divisors is an integer number (2352240).

Almost surely, 2^63653742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63653742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75271680).

63653742 is an abundant number, since it is smaller than the sum of its proper divisors (86889618).

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

63653742 is a wasteful number, since it uses less digits than its factorization.

63653742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1048 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 63653742 is about 7978.3295244055. The cubic root of 63653742 is about 399.2773243026.

The spelling of 63653742 in words is "sixty-three million, six hundred fifty-three thousand, seven hundred forty-two".