42608751 has 4 divisors (see below), whose sum is σ = 56811672. Its totient is φ = 28405832.

The previous prime is 42608747. The next prime is 42608777. The reversal of 42608751 is 15780624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42608751 - 2² = 42608747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42608711) 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, 7101456 + ... + 7101461.

It is an arithmetic number, because the mean of its divisors is an integer number (14202918).

Almost surely, 2^42608751 is an apocalyptic number.

42608751 is a deficient number, since it is larger than the sum of its proper divisors (14202921).

42608751 is a wasteful number, since it uses less digits than its factorization.

42608751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202920.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 42608751 is about 6527.5378972473. The cubic root of 42608751 is about 349.2740080684.

The spelling of 42608751 in words is "forty-two million, six hundred eight thousand, seven hundred fifty-one".