42899712 has 72 divisors (see below), whose sum is σ = 115723104. Its totient is φ = 14106624.

The previous prime is 42899699. The next prime is 42899741. The reversal of 42899712 is 21799824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63408 + ... + 64080.

Almost surely, 2^42899712 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 42899712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57861552).

42899712 is an abundant number, since it is smaller than the sum of its proper divisors (72823392).

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

42899712 is an equidigital number, since it uses as much as digits as its factorization.

42899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 761 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 42899712 is about 6549.7871721148. The cubic root of 42899712 is about 350.0672306224.

The spelling of 42899712 in words is "forty-two million, eight hundred ninety-nine thousand, seven hundred twelve".