633768942 has 32 divisors (see below), whose sum is σ = 1349167104. Its totient is φ = 197782400.

The previous prime is 633768931. The next prime is 633768943. The reversal of 633768942 is 249867336.

It is a junction number, because it is equal to n+sod(n) for n = 633768891 and 633768900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633768943) by changing a digit.

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, 3217 + ... + 35747.

It is an arithmetic number, because the mean of its divisors is an integer number (42161472).

Almost surely, 2^633768942 is an apocalyptic number.

633768942 is an abundant number, since it is smaller than the sum of its proper divisors (715398162).

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

633768942 is a wasteful number, since it uses less digits than its factorization.

633768942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32744.

The product of its digits is 1306368, while the sum is 48.

The square root of 633768942 is about 25174.7679631809. The cubic root of 633768942 is about 858.9679986163.

The spelling of 633768942 in words is "six hundred thirty-three million, seven hundred sixty-eight thousand, nine hundred forty-two".