42647000 has 64 divisors (see below), whose sum is σ = 108894240. Its totient is φ = 15504000.

The previous prime is 42646997. The next prime is 42647021. The reversal of 42647000 is 74624.

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, 9062 + ... + 12938.

Almost surely, 2^42647000 is an apocalyptic number.

42647000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42647000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54447120).

42647000 is an abundant number, since it is smaller than the sum of its proper divisors (66247240).

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

42647000 is a wasteful number, since it uses less digits than its factorization.

42647000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42647000 is about 6530.4670583351. The cubic root of 42647000 is about 349.3784888440.

The spelling of 42647000 in words is "forty-two million, six hundred forty-seven thousand".