632872969 has 8 divisors (see below), whose sum is σ = 641905992. Its totient is φ = 623894400.

The previous prime is 632872951. The next prime is 632872997. The reversal of 632872969 is 969278236.

It can be written as a sum of positive squares in 4 ways, for example, as 331676944 + 301196025 = 18212^2 + 17355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 632872969 - 2²³ = 624484361 is a prime.

It is a super-2 number, since 2×632872969² = 801056389781749922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632872169) 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, 10087 + ... + 36979.

It is an arithmetic number, because the mean of its divisors is an integer number (80238249).

Almost surely, 2^632872969 is an apocalyptic number.

It is an amenable number.

632872969 is a deficient number, since it is larger than the sum of its proper divisors (9033023).

632872969 is a wasteful number, since it uses less digits than its factorization.

632872969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27227.

The product of its digits is 1959552, while the sum is 52.

The square root of 632872969 is about 25156.9666096690. The cubic root of 632872969 is about 858.5630271084.

It can be divided in two parts, 6328 and 72969, that added together give a palindrome (79297).

The spelling of 632872969 in words is "six hundred thirty-two million, eight hundred seventy-two thousand, nine hundred sixty-nine".