42753690 has 64 divisors (see below), whose sum is σ = 130302720. Its totient is φ = 9771840.

The previous prime is 42753677. The next prime is 42753703. The reversal of 42753690 is 9635724.

42753690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42753677) and next prime (42753703).

It is a super-2 number, since 2×42753690² = 3655756017232200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9421 + ... + 13200.

It is an arithmetic number, because the mean of its divisors is an integer number (2035980).

Almost surely, 2^42753690 is an apocalyptic number.

42753690 is an abundant number, since it is smaller than the sum of its proper divisors (87549030).

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

42753690 is a wasteful number, since it uses less digits than its factorization.

42753690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22644 (or 22638 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42753690 is about 6538.6305905748. The cubic root of 42753690 is about 349.6695929491.

The spelling of 42753690 in words is "forty-two million, seven hundred fifty-three thousand, six hundred ninety".