42930417 has 8 divisors (see below), whose sum is σ = 57965440. Its totient is φ = 28257840.

The previous prime is 42930409. The next prime is 42930421. The reversal of 42930417 is 71403924.

It is a happy number.

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

It is not a de Polignac number, because 42930417 - 2³ = 42930409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42930427) 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, 90334 + ... + 90807.

It is an arithmetic number, because the mean of its divisors is an integer number (7245680).

Almost surely, 2^42930417 is an apocalyptic number.

It is an amenable number.

42930417 is a deficient number, since it is larger than the sum of its proper divisors (15035023).

42930417 is a wasteful number, since it uses less digits than its factorization.

42930417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181223.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42930417 is about 6552.1307221392. The cubic root of 42930417 is about 350.1507296359.

The spelling of 42930417 in words is "forty-two million, nine hundred thirty thousand, four hundred seventeen".