632742690 has 32 divisors (see below), whose sum is σ = 1519741440. Its totient is φ = 168602624.

The previous prime is 632742689. The next prime is 632742739. The reversal of 632742690 is 96247236.

632742690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×632742690² = 800726623496872200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35842 + ... + 50498.

It is an arithmetic number, because the mean of its divisors is an integer number (47491920).

Almost surely, 2^632742690 is an apocalyptic number.

632742690 is an abundant number, since it is smaller than the sum of its proper divisors (886998750).

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

632742690 is a wasteful number, since it uses less digits than its factorization.

632742690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106.

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

The square root of 632742690 is about 25154.3771538872. The cubic root of 632742690 is about 858.5041103831.

The spelling of 632742690 in words is "six hundred thirty-two million, seven hundred forty-two thousand, six hundred ninety".