42789476 has 48 divisors (see below), whose sum is σ = 83825280. Its totient is φ = 19008000.

The previous prime is 42789469. The next prime is 42789521. The reversal of 42789476 is 67498724.

It is a self number, because there is not a number n which added to its sum of digits gives 42789476.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170351 + ... + 170601.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^42789476 is an apocalyptic number.

42789476 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42789476 is a deficient number, since it is larger than the sum of its proper divisors (41035804).

42789476 is a wasteful number, since it uses less digits than its factorization.

42789476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 42789476 is about 6541.3665239000. The cubic root of 42789476 is about 349.7671267243.

The spelling of 42789476 in words is "forty-two million, seven hundred eighty-nine thousand, four hundred seventy-six".