42479481 has 16 divisors (see below), whose sum is σ = 65423808. Its totient is φ = 24230400.

The previous prime is 42479467. The next prime is 42479509. The reversal of 42479481 is 18497424.

42479481 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 42479481 - 2¹⁴ = 42463097 is a prime.

It is a super-2 number, since 2×42479481² = 3609012612058722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42479401) 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 15 ways as a sum of consecutive naturals, for example, 37300 + ... + 38421.

It is an arithmetic number, because the mean of its divisors is an integer number (4088988).

Almost surely, 2^42479481 is an apocalyptic number.

It is an amenable number.

42479481 is a deficient number, since it is larger than the sum of its proper divisors (22944327).

42479481 is a wasteful number, since it uses less digits than its factorization.

42479481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75752.

The product of its digits is 64512, while the sum is 39.

The square root of 42479481 is about 6517.6284797463. The cubic root of 42479481 is about 348.9204313368.

The spelling of 42479481 in words is "forty-two million, four hundred seventy-nine thousand, four hundred eighty-one".