63623242 has 16 divisors (see below), whose sum is σ = 98848512. Its totient is φ = 30693040.

The previous prime is 63623207. The next prime is 63623249. The reversal of 63623242 is 24232636.

It is a self number, because there is not a number n which added to its sum of digits gives 63623242.

It is not an unprimeable number, because it can be changed into a prime (63623249) 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, 1908 + ... + 11440.

It is an arithmetic number, because the mean of its divisors is an integer number (6178032).

Almost surely, 2^63623242 is an apocalyptic number.

63623242 is a deficient number, since it is larger than the sum of its proper divisors (35225270).

63623242 is a wasteful number, since it uses less digits than its factorization.

63623242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653.

The product of its digits is 10368, while the sum is 28.

The square root of 63623242 is about 7976.4178676897. The cubic root of 63623242 is about 399.2135422238.

Adding to 63623242 its reverse (24232636), we get a palindrome (87855878).

It can be divided in two parts, 6362 and 3242, that added together give a square (9604 = 98²).

The spelling of 63623242 in words is "sixty-three million, six hundred twenty-three thousand, two hundred forty-two".