42406716 has 48 divisors (see below), whose sum is σ = 108396288. Its totient is φ = 12796800.

The previous prime is 42406709. The next prime is 42406723. The reversal of 42406716 is 61760424.

It is an interprime number because it is at equal distance from previous prime (42406709) and next prime (42406723).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40536 + ... + 41568.

It is an arithmetic number, because the mean of its divisors is an integer number (2258256).

Almost surely, 2^42406716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42406716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54198144).

42406716 is an abundant number, since it is smaller than the sum of its proper divisors (65989572).

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

42406716 is a wasteful number, since it uses less digits than its factorization.

42406716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42406716 is about 6512.0439187708. The cubic root of 42406716 is about 348.7210903439.

The spelling of 42406716 in words is "forty-two million, four hundred six thousand, seven hundred sixteen".