42770234 has 8 divisors (see below), whose sum is σ = 69090420. Its totient is φ = 19740096.

The previous prime is 42770227. The next prime is 42770269. The reversal of 42770234 is 43207724.

It can be written as a sum of positive squares in 2 ways, for example, as 42706225 + 64009 = 6535^2 + 253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42770197 and 42770206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822479 + ... + 822530.

Almost surely, 2^42770234 is an apocalyptic number.

42770234 is a deficient number, since it is larger than the sum of its proper divisors (26320186).

42770234 is a wasteful number, since it uses less digits than its factorization.

42770234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645024.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 42770234 is about 6539.8955649154. The cubic root of 42770234 is about 349.7146899355.

Adding to 42770234 its reverse (43207724), we get a palindrome (85977958).

The spelling of 42770234 in words is "forty-two million, seven hundred seventy thousand, two hundred thirty-four".