632742738 has 16 divisors (see below), whose sum is σ = 1270412640. Its totient is φ = 210093056.

The previous prime is 632742689. The next prime is 632742739. The reversal of 632742738 is 837247236.

It is a self number, because there is not a number n which added to its sum of digits gives 632742738.

It is not an unprimeable number, because it can be changed into a prime (632742739) 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, 203628 + ... + 206711.

It is an arithmetic number, because the mean of its divisors is an integer number (79400790).

Almost surely, 2^632742738 is an apocalyptic number.

632742738 is an abundant number, since it is smaller than the sum of its proper divisors (637669902).

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

632742738 is a wasteful number, since it uses less digits than its factorization.

632742738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410601.

The product of its digits is 338688, while the sum is 42.

The square root of 632742738 is about 25154.3781079954. The cubic root of 632742738 is about 858.5041320919.

The spelling of 632742738 in words is "six hundred thirty-two million, seven hundred forty-two thousand, seven hundred thirty-eight".