42453730 has 16 divisors (see below), whose sum is σ = 83363904. Its totient is φ = 15437680.

The previous prime is 42453727. The next prime is 42453739. The reversal of 42453730 is 3735424.

42453730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42453739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 192862 + ... + 193081.

It is an arithmetic number, because the mean of its divisors is an integer number (5210244).

Almost surely, 2^42453730 is an apocalyptic number.

42453730 is a deficient number, since it is larger than the sum of its proper divisors (40910174).

42453730 is a wasteful number, since it uses less digits than its factorization.

42453730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385961.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 42453730 is about 6515.6526917877. The cubic root of 42453730 is about 348.8499120649.

The spelling of 42453730 in words is "forty-two million, four hundred fifty-three thousand, seven hundred thirty".