42893520 has 80 divisors (see below), whose sum is σ = 133628352. Its totient is φ = 11381760.

The previous prime is 42893519. The next prime is 42893527. The reversal of 42893520 is 2539824.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42893527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74835 + ... + 75405.

Almost surely, 2^42893520 is an apocalyptic number.

42893520 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 42893520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66814176).

42893520 is an abundant number, since it is smaller than the sum of its proper divisors (90734832).

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

42893520 is a wasteful number, since it uses less digits than its factorization.

42893520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 42893520 is about 6549.3144679424. The cubic root of 42893520 is about 350.0503873035.

The spelling of 42893520 in words is "forty-two million, eight hundred ninety-three thousand, five hundred twenty".