42643476 has 96 divisors (see below), whose sum is σ = 116981760. Its totient is φ = 13413600.

The previous prime is 42643451. The next prime is 42643477. The reversal of 42643476 is 67434624.

42643476 is a `hidden beast` number, since 4 + 2 + 643 + 4 + 7 + 6 = 666.

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 42643476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42643477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157221 + ... + 157491.

It is an arithmetic number, because the mean of its divisors is an integer number (1218560).

Almost surely, 2^42643476 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 42643476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58490880).

42643476 is an abundant number, since it is smaller than the sum of its proper divisors (74338284).

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

42643476 is a wasteful number, since it uses less digits than its factorization.

42643476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 42643476 is about 6530.1972405127. The cubic root of 42643476 is about 349.3688653166.

The spelling of 42643476 in words is "forty-two million, six hundred forty-three thousand, four hundred seventy-six".