42417102 has 32 divisors (see below), whose sum is σ = 104412672. Its totient is φ = 11186784.

The previous prime is 42417043. The next prime is 42417103. The reversal of 42417102 is 20171424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38298 + ... + 39389.

It is an arithmetic number, because the mean of its divisors is an integer number (3262896).

Almost surely, 2^42417102 is an apocalyptic number.

42417102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42417102 is an abundant number, since it is smaller than the sum of its proper divisors (61995570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42417102 is a wasteful number, since it uses less digits than its factorization.

42417102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77712.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42417102 is about 6512.8413154322. The cubic root of 42417102 is about 348.7495569167.

Adding to 42417102 its reverse (20171424), we get a palindrome (62588526).

The spelling of 42417102 in words is "forty-two million, four hundred seventeen thousand, one hundred two".