42819748 has 6 divisors (see below), whose sum is σ = 74934566. Its totient is φ = 21409872.

The previous prime is 42819739. The next prime is 42819757. The reversal of 42819748 is 84791824.

It is an interprime number because it is at equal distance from previous prime (42819739) and next prime (42819757).

It can be written as a sum of positive squares in only one way, i.e., 39463524 + 3356224 = 6282^2 + 1832^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5352465 + ... + 5352472.

Almost surely, 2^42819748 is an apocalyptic number.

It is an amenable number.

42819748 is a deficient number, since it is larger than the sum of its proper divisors (32114818).

42819748 is a wasteful number, since it uses less digits than its factorization.

42819748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10704941 (or 10704939 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 42819748 is about 6543.6800044012. The cubic root of 42819748 is about 349.8495897932.

The spelling of 42819748 in words is "forty-two million, eight hundred nineteen thousand, seven hundred forty-eight".