633747064 has 16 divisors (see below), whose sum is σ = 1196253000. Its totient is φ = 314746272.

The previous prime is 633747061. The next prime is 633747073. The reversal of 633747064 is 460747336.

633747064 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 2×633747064² = 803270682257240192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633747061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264642 + ... + 267025.

Almost surely, 2^633747064 is an apocalyptic number.

It is an amenable number.

633747064 is a deficient number, since it is larger than the sum of its proper divisors (562505936).

633747064 is a wasteful number, since it uses less digits than its factorization.

633747064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531822 (or 531818 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 40.

The square root of 633747064 is about 25174.3334370545. Note that the first 3 decimals coincide. The cubic root of 633747064 is about 858.9581145103.

The spelling of 633747064 in words is "six hundred thirty-three million, seven hundred forty-seven thousand, sixty-four".