633672290 has 8 divisors (see below), whose sum is σ = 1140610140. Its totient is φ = 253468912.

The previous prime is 633672239. The next prime is 633672311. The reversal of 633672290 is 92276336.

It can be written as a sum of positive squares in 2 ways, for example, as 585494809 + 48177481 = 24197^2 + 6941^2 .

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

It is a super-3 number, since 3×633672290³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 31683605 + ... + 31683624.

Almost surely, 2^633672290 is an apocalyptic number.

633672290 is a deficient number, since it is larger than the sum of its proper divisors (506937850).

633672290 is a wasteful number, since it uses less digits than its factorization.

633672290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63367236.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 633672290 is about 25172.8482695145. The cubic root of 633672290 is about 858.9243311795.

The spelling of 633672290 in words is "six hundred thirty-three million, six hundred seventy-two thousand, two hundred ninety".