42417646 has 16 divisors (see below), whose sum is σ = 64389600. Its totient is φ = 20956320.

The previous prime is 42417643. The next prime is 42417647. The reversal of 42417646 is 64671424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417643) 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, 78136 + ... + 78676.

It is an arithmetic number, because the mean of its divisors is an integer number (4024350).

Almost surely, 2^42417646 is an apocalyptic number.

42417646 is a deficient number, since it is larger than the sum of its proper divisors (21971954).

42417646 is a wasteful number, since it uses less digits than its factorization.

42417646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939.

The product of its digits is 32256, while the sum is 34.

The square root of 42417646 is about 6512.8830789444. The cubic root of 42417646 is about 348.7510478166.

The spelling of 42417646 in words is "forty-two million, four hundred seventeen thousand, six hundred forty-six".