42873480 has 96 divisors (see below), whose sum is σ = 150073560. Its totient is φ = 10552320.

The previous prime is 42873463. The next prime is 42873487. The reversal of 42873480 is 8437824.

It can be written as a sum of positive squares in 4 ways, for example, as 23213124 + 19660356 = 4818^2 + 4434^2 .

It is a super-3 number, since 3×42873480³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42873487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100 + ... + 9260.

Almost surely, 2^42873480 is an apocalyptic number.

42873480 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 42873480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75036780).

42873480 is an abundant number, since it is smaller than the sum of its proper divisors (107200080).

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

42873480 is a wasteful number, since it uses less digits than its factorization.

42873480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191 (or 9184 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 42873480 is about 6547.7843580863. The cubic root of 42873480 is about 349.9958638967.

The spelling of 42873480 in words is "forty-two million, eight hundred seventy-three thousand, four hundred eighty".