42650170 has 8 divisors (see below), whose sum is σ = 76770324. Its totient is φ = 17060064.

The previous prime is 42650147. The next prime is 42650173. The reversal of 42650170 is 7105624.

It can be written as a sum of positive squares in 2 ways, for example, as 42393121 + 257049 = 6511^2 + 507^2 .

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

It is a super-4 number, since 4×42650170⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (42650173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132499 + ... + 2132518.

Almost surely, 2^42650170 is an apocalyptic number.

42650170 is a deficient number, since it is larger than the sum of its proper divisors (34120154).

42650170 is a wasteful number, since it uses less digits than its factorization.

42650170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265024.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 42650170 is about 6530.7097623459. The cubic root of 42650170 is about 349.3871451962.

Adding to 42650170 its reverse (7105624), we get a palindrome (49755794).

The spelling of 42650170 in words is "forty-two million, six hundred fifty thousand, one hundred seventy".