42819976 has 16 divisors (see below), whose sum is σ = 80821440. Its totient is φ = 21267600.

The previous prime is 42819943. The next prime is 42820003. The reversal of 42819976 is 67991824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16516 + ... + 18931.

It is an arithmetic number, because the mean of its divisors is an integer number (5051340).

Almost surely, 2^42819976 is an apocalyptic number.

It is an amenable number.

42819976 is a deficient number, since it is larger than the sum of its proper divisors (38001464).

42819976 is a wasteful number, since it uses less digits than its factorization.

42819976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35604 (or 35600 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 42819976 is about 6543.6974257678. The cubic root of 42819976 is about 349.8502107339.

It can be divided in two parts, 428199 and 76, that added together give a triangular number (428275 = T₉₂₅).

The spelling of 42819976 in words is "forty-two million, eight hundred nineteen thousand, nine hundred seventy-six".