42820476 has 24 divisors (see below), whose sum is σ = 100101120. Its totient is φ = 14246832.

The previous prime is 42820451. The next prime is 42820483. The reversal of 42820476 is 67402824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (4170880).

Almost surely, 2^42820476 is an apocalyptic number.

It is an amenable number.

42820476 is an abundant number, since it is smaller than the sum of its proper divisors (57280644).

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

42820476 is a wasteful number, since it uses less digits than its factorization.

42820476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673 (or 6671 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42820476 is about 6543.7356303567. The cubic root of 42820476 is about 349.8515724381.

The spelling of 42820476 in words is "forty-two million, eight hundred twenty thousand, four hundred seventy-six".