42798547 has 12 divisors (see below), whose sum is σ = 48196008. Its totient is φ = 37954400.

The previous prime is 42798533. The next prime is 42798559. The reversal of 42798547 is 74589724.

42798547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42798547 - 2⁷ = 42798419 is a prime.

It is a super-2 number, since 2×42798547² = 3663431250622418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42798497 and 42798506.

It is not an unprimeable number, because it can be changed into a prime (42798647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (4016334).

Almost surely, 2^42798547 is an apocalyptic number.

42798547 is a deficient number, since it is larger than the sum of its proper divisors (5397461).

42798547 is a wasteful number, since it uses less digits than its factorization.

42798547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8690 (or 8679 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 42798547 is about 6542.0598438107. The cubic root of 42798547 is about 349.7918408497.

The spelling of 42798547 in words is "forty-two million, seven hundred ninety-eight thousand, five hundred forty-seven".