42897024 has 96 divisors (see below), whose sum is σ = 128887200. Its totient is φ = 13668864.

The previous prime is 42896977. The next prime is 42897053. The reversal of 42897024 is 42079824.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42897024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25687 + ... + 27305.

It is an arithmetic number, because the mean of its divisors is an integer number (1342575).

Almost surely, 2^42897024 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 42897024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64443600).

42897024 is an abundant number, since it is smaller than the sum of its proper divisors (85990176).

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

42897024 is a wasteful number, since it uses less digits than its factorization.

42897024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42897024 is about 6549.5819713933. The cubic root of 42897024 is about 350.0599189932.

The spelling of 42897024 in words is "forty-two million, eight hundred ninety-seven thousand, twenty-four".