42663700 has 18 divisors (see below), whose sum is σ = 92580446. Its totient is φ = 17065440.

The previous prime is 42663679. The next prime is 42663737. The reversal of 42663700 is 736624.

It can be written as a sum of positive squares in 3 ways, for example, as 101124 + 42562576 = 318^2 + 6524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213219 + ... + 213418.

Almost surely, 2^42663700 is an apocalyptic number.

It is an amenable number.

42663700 is an abundant number, since it is smaller than the sum of its proper divisors (49916746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42663700 is a wasteful number, since it uses less digits than its factorization.

42663700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426651 (or 426644 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 42663700 is about 6531.7455553627. The cubic root of 42663700 is about 349.4240868879.

The spelling of 42663700 in words is "forty-two million, six hundred sixty-three thousand, seven hundred".