63926742 has 32 divisors (see below), whose sum is σ = 141056640. Its totient is φ = 19152320.

The previous prime is 63926717. The next prime is 63926761. The reversal of 63926742 is 24762936.

It is a self number, because there is not a number n which added to its sum of digits gives 63926742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (4408020).

Almost surely, 2^63926742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63926742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70528320).

63926742 is an abundant number, since it is smaller than the sum of its proper divisors (77129898).

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

63926742 is a wasteful number, since it uses less digits than its factorization.

63926742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988.

The product of its digits is 108864, while the sum is 39.

The square root of 63926742 is about 7995.4200640116. The cubic root of 63926742 is about 399.8473208968.

The spelling of 63926742 in words is "sixty-three million, nine hundred twenty-six thousand, seven hundred forty-two".