33630645 has 8 divisors (see below), whose sum is σ = 53809056. Its totient is φ = 17936336.

The previous prime is 33630643. The next prime is 33630647. The reversal of 33630645 is 54603633.

It is an interprime number because it is at equal distance from previous prime (33630643) and next prime (33630647).

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 33630645 - 2¹ = 33630643 is a prime.

It is a super-2 number, since 2×33630645² = 2262040566232050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33630643) 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, 1121007 + ... + 1121036.

It is an arithmetic number, because the mean of its divisors is an integer number (6726132).

Almost surely, 2^33630645 is an apocalyptic number.

It is an amenable number.

33630645 is a deficient number, since it is larger than the sum of its proper divisors (20178411).

33630645 is a wasteful number, since it uses less digits than its factorization.

33630645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242051.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 33630645 is about 5799.1934784071. The cubic root of 33630645 is about 322.7838016191.

The spelling of 33630645 in words is "thirty-three million, six hundred thirty thousand, six hundred forty-five".