42053730 has 16 divisors (see below), whose sum is σ = 100929024. Its totient is φ = 11214320.

The previous prime is 42053717. The next prime is 42053749. The reversal of 42053730 is 3735024.

It is a self number, because there is not a number n which added to its sum of digits gives 42053730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700866 + ... + 700925.

It is an arithmetic number, because the mean of its divisors is an integer number (6308064).

Almost surely, 2^42053730 is an apocalyptic number.

42053730 is an abundant number, since it is smaller than the sum of its proper divisors (58875294).

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

42053730 is a wasteful number, since it uses less digits than its factorization.

42053730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401801.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 42053730 is about 6484.8847329771. The cubic root of 42053730 is about 347.7508290326.

Adding to 42053730 its reverse (3735024), we get a palindrome (45788754).

The spelling of 42053730 in words is "forty-two million, fifty-three thousand, seven hundred thirty".