42654047 has 4 divisors (see below), whose sum is σ = 44030016. Its totient is φ = 41278080.

The previous prime is 42654023. The next prime is 42654083. The reversal of 42654047 is 74045624.

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 42654047 - 2⁸ = 42653791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42654247) 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, 687938 + ... + 687999.

It is an arithmetic number, because the mean of its divisors is an integer number (11007504).

Almost surely, 2^42654047 is an apocalyptic number.

42654047 is a deficient number, since it is larger than the sum of its proper divisors (1375969).

42654047 is a wasteful number, since it uses less digits than its factorization.

42654047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375968.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 42654047 is about 6531.0065839808. The cubic root of 42654047 is about 349.3977315778.

The spelling of 42654047 in words is "forty-two million, six hundred fifty-four thousand, forty-seven".