42709914 has 48 divisors (see below), whose sum is σ = 102370632. Its totient is φ = 12783744.

The previous prime is 42709907. The next prime is 42709921. The reversal of 42709914 is 41990724.

It is an interprime number because it is at equal distance from previous prime (42709907) and next prime (42709921).

It can be written as a sum of positive squares in 4 ways, for example, as 34398225 + 8311689 = 5865^2 + 2883^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6192 + ... + 11124.

Almost surely, 2^42709914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42709914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51185316).

42709914 is an abundant number, since it is smaller than the sum of its proper divisors (59660718).

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

42709914 is a wasteful number, since it uses less digits than its factorization.

42709914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 42709914 is about 6535.2822433312. The cubic root of 42709914 is about 349.5502086070.

The spelling of 42709914 in words is "forty-two million, seven hundred nine thousand, nine hundred fourteen".