42735378 has 32 divisors (see below), whose sum is σ = 99956736. Its totient is φ = 11925648.

The previous prime is 42735377. The next prime is 42735419. The reversal of 42735378 is 87353724.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42735377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10026 + ... + 13637.

It is an arithmetic number, because the mean of its divisors is an integer number (3123648).

Almost surely, 2^42735378 is an apocalyptic number.

42735378 is an abundant number, since it is smaller than the sum of its proper divisors (57221358).

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

42735378 is a wasteful number, since it uses less digits than its factorization.

42735378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23718.

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

The square root of 42735378 is about 6537.2301473942. The cubic root of 42735378 is about 349.6196630367.

The spelling of 42735378 in words is "forty-two million, seven hundred thirty-five thousand, three hundred seventy-eight".