42630770 has 64 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 13298688.

The previous prime is 42630727. The next prime is 42630779. The reversal of 42630770 is 7703624.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42630779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71594 + ... + 72186.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^42630770 is an apocalyptic number.

42630770 is an abundant number, since it is smaller than the sum of its proper divisors (53169550).

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

42630770 is a wasteful number, since it uses less digits than its factorization.

42630770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 42630770 is about 6529.2243030853. The cubic root of 42630770 is about 349.3341626909.

The spelling of 42630770 in words is "forty-two million, six hundred thirty thousand, seven hundred seventy".