42378735 has 16 divisors (see below), whose sum is σ = 77492736. Its totient is φ = 19373088.

The previous prime is 42378703. The next prime is 42378751. The reversal of 42378735 is 53787324.

It is not a de Polignac number, because 42378735 - 2⁵ = 42378703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42378693 and 42378702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201699 + ... + 201908.

It is an arithmetic number, because the mean of its divisors is an integer number (4843296).

Almost surely, 2^42378735 is an apocalyptic number.

42378735 is a deficient number, since it is larger than the sum of its proper divisors (35114001).

42378735 is a wasteful number, since it uses less digits than its factorization.

42378735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403622.

The product of its digits is 141120, while the sum is 39.

The square root of 42378735 is about 6509.8951604461. The cubic root of 42378735 is about 348.6443752020.

The spelling of 42378735 in words is "forty-two million, three hundred seventy-eight thousand, seven hundred thirty-five".