42624147 has 16 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 27943872.

The previous prime is 42624143. The next prime is 42624157. The reversal of 42624147 is 74142624.

It is not a de Polignac number, because 42624147 - 2² = 42624143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42624143) 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 15 ways as a sum of consecutive naturals, for example, 69918 + ... + 70524.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^42624147 is an apocalyptic number.

42624147 is a deficient number, since it is larger than the sum of its proper divisors (15160173).

42624147 is a wasteful number, since it uses less digits than its factorization.

42624147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its digits is 10752, while the sum is 30.

The square root of 42624147 is about 6528.7171021572. The cubic root of 42624147 is about 349.3160712202.

The spelling of 42624147 in words is "forty-two million, six hundred twenty-four thousand, one hundred forty-seven".