42966810 has 24 divisors (see below), whose sum is σ = 111713940. Its totient is φ = 11457792.

The previous prime is 42966793. The next prime is 42966817. The reversal of 42966810 is 1866924.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 8003241 = 5913^2 + 2829^2 .

It is a super-2 number, since 2×42966810² = 3692293523152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42966817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238615 + ... + 238794.

Almost surely, 2^42966810 is an apocalyptic number.

42966810 is an abundant number, since it is smaller than the sum of its proper divisors (68747130).

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

42966810 is a wasteful number, since it uses less digits than its factorization.

42966810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477422 (or 477419 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42966810 is about 6554.9073219993. The cubic root of 42966810 is about 350.2496450222.

The spelling of 42966810 in words is "forty-two million, nine hundred sixty-six thousand, eight hundred ten".