632272538 has 8 divisors (see below), whose sum is σ = 998325120. Its totient is φ = 299497500.

The previous prime is 632272513. The next prime is 632272573. The reversal of 632272538 is 835272236.

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

It is a super-2 number, since 2×632272538² = 799537124617922888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 16638751 = 632272538 / (6 + 3 + 2 + 2 + 7 + 2 + 5 + 3 + 8).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8319338 + ... + 8319413.

It is an arithmetic number, because the mean of its divisors is an integer number (124790640).

Almost surely, 2^632272538 is an apocalyptic number.

632272538 is a deficient number, since it is larger than the sum of its proper divisors (366052582).

632272538 is a wasteful number, since it uses less digits than its factorization.

632272538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16638772.

The product of its digits is 120960, while the sum is 38.

The square root of 632272538 is about 25145.0300854861. The cubic root of 632272538 is about 858.2914239086.

The spelling of 632272538 in words is "six hundred thirty-two million, two hundred seventy-two thousand, five hundred thirty-eight".