42745063 has 8 divisors (see below), whose sum is σ = 46043136. Its totient is φ = 39567000.

The previous prime is 42745051. The next prime is 42745067. The reversal of 42745063 is 36054724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42745063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42745067) 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, 29263 + ... + 30688.

It is an arithmetic number, because the mean of its divisors is an integer number (5755392).

Almost surely, 2^42745063 is an apocalyptic number.

42745063 is a deficient number, since it is larger than the sum of its proper divisors (3298073).

42745063 is a wasteful number, since it uses less digits than its factorization.

42745063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60005.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 42745063 is about 6537.9708625842. The cubic root of 42745063 is about 349.6460721528.

Adding to 42745063 its reverse (36054724), we get a palindrome (78799787).

The spelling of 42745063 in words is "forty-two million, seven hundred forty-five thousand, sixty-three".