42662645 has 8 divisors (see below), whose sum is σ = 51230880. Its totient is φ = 34106320.

The previous prime is 42662623. The next prime is 42662651. The reversal of 42662645 is 54626624.

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

It is not a de Polignac number, because 42662645 - 2¹⁰ = 42661621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10286 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (6403860).

Almost surely, 2^42662645 is an apocalyptic number.

It is an amenable number.

42662645 is a deficient number, since it is larger than the sum of its proper divisors (8568235).

42662645 is a wasteful number, since it uses less digits than its factorization.

42662645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955.

The product of its digits is 69120, while the sum is 35.

The square root of 42662645 is about 6531.6647954407. The cubic root of 42662645 is about 349.4212066451.

The spelling of 42662645 in words is "forty-two million, six hundred sixty-two thousand, six hundred forty-five".