42632657 has 8 divisors (see below), whose sum is σ = 44613120. Its totient is φ = 40690080.

The previous prime is 42632647. The next prime is 42632663. The reversal of 42632657 is 75623624.

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 42632657 - 2⁴ = 42632641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42632647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (5576640).

Almost surely, 2^42632657 is an apocalyptic number.

It is an amenable number.

42632657 is a deficient number, since it is larger than the sum of its proper divisors (1980463).

42632657 is a wasteful number, since it uses less digits than its factorization.

42632657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943.

The product of its digits is 60480, while the sum is 35.

The square root of 42632657 is about 6529.3688056350. The cubic root of 42632657 is about 349.3393169010.

The spelling of 42632657 in words is "forty-two million, six hundred thirty-two thousand, six hundred fifty-seven".