42564633 has 8 divisors (see below), whose sum is σ = 56805408. Its totient is φ = 28350144.

The previous prime is 42564611. The next prime is 42564659. The reversal of 42564633 is 33646524.

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

It is not a de Polignac number, because 42564633 - 2⁶ = 42564569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42564594 and 42564603.

It is not an unprimeable number, because it can be changed into a prime (42364633) 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, 2416 + ... + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (7100676).

Almost surely, 2^42564633 is an apocalyptic number.

It is an amenable number.

42564633 is a deficient number, since it is larger than the sum of its proper divisors (14240775).

42564633 is a wasteful number, since it uses less digits than its factorization.

42564633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13143.

The product of its digits is 51840, while the sum is 33.

The square root of 42564633 is about 6524.1576467771. The cubic root of 42564633 is about 349.1534178786.

The spelling of 42564633 in words is "forty-two million, five hundred sixty-four thousand, six hundred thirty-three".