42630302 has 16 divisors (see below), whose sum is σ = 75125232. Its totient is φ = 17886720.

The previous prime is 42630233. The next prime is 42630307. The reversal of 42630302 is 20303624.

It is a super-2 number, since 2×42630302² = 3634685297222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42630307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74243 + ... + 74814.

It is an arithmetic number, because the mean of its divisors is an integer number (4695327).

Almost surely, 2^42630302 is an apocalyptic number.

42630302 is a deficient number, since it is larger than the sum of its proper divisors (32494930).

42630302 is a wasteful number, since it uses less digits than its factorization.

42630302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149083.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42630302 is about 6529.1884641202. The cubic root of 42630302 is about 349.3328843577.

Adding to 42630302 its reverse (20303624), we get a palindrome (62933926).

The spelling of 42630302 in words is "forty-two million, six hundred thirty thousand, three hundred two".