42342532 has 6 divisors (see below), whose sum is σ = 74099438. Its totient is φ = 21171264.

The previous prime is 42342511. The next prime is 42342539. The reversal of 42342532 is 23524324.

It can be written as a sum of positive squares in only one way, i.e., 41679936 + 662596 = 6456^2 + 814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42342497 and 42342506.

It is not an unprimeable number, because it can be changed into a prime (42342539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5292813 + ... + 5292820.

Almost surely, 2^42342532 is an apocalyptic number.

It is an amenable number.

42342532 is a deficient number, since it is larger than the sum of its proper divisors (31756906).

42342532 is a wasteful number, since it uses less digits than its factorization.

42342532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585637 (or 10585635 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 42342532 is about 6507.1139532054. The cubic root of 42342532 is about 348.5450677842.

Adding to 42342532 its reverse (23524324), we get a palindrome (65866856).

The spelling of 42342532 in words is "forty-two million, three hundred forty-two thousand, five hundred thirty-two".