42482906 has 4 divisors (see below), whose sum is σ = 63724362. Its totient is φ = 21241452.

The previous prime is 42482903. The next prime is 42482933. The reversal of 42482906 is 60928424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33235225 + 9247681 = 5765^2 + 3041^2 .

It is not an unprimeable number, because it can be changed into a prime (42482903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10620725 + ... + 10620728.

Almost surely, 2^42482906 is an apocalyptic number.

42482906 is a deficient number, since it is larger than the sum of its proper divisors (21241456).

42482906 is a wasteful number, since it uses less digits than its factorization.

42482906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21241455.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42482906 is about 6517.8912233943. The cubic root of 42482906 is about 348.9298085729.

The spelling of 42482906 in words is "forty-two million, four hundred eighty-two thousand, nine hundred six".