42497234 has 16 divisors (see below), whose sum is σ = 69006168. Its totient is φ = 19512192.

The previous prime is 42497227. The next prime is 42497237. The reversal of 42497234 is 43279424.

It can be written as a sum of positive squares in 4 ways, for example, as 42211009 + 286225 = 6497^2 + 535^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42497194 and 42497203.

It is not an unprimeable number, because it can be changed into a prime (42497237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 9270.

Almost surely, 2^42497234 is an apocalyptic number.

42497234 is a deficient number, since it is larger than the sum of its proper divisors (26508934).

42497234 is a wasteful number, since it uses less digits than its factorization.

42497234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509.

The product of its digits is 48384, while the sum is 35.

The square root of 42497234 is about 6518.9902592349. The cubic root of 42497234 is about 348.9690314417.

The spelling of 42497234 in words is "forty-two million, four hundred ninety-seven thousand, two hundred thirty-four".