4542378 has 8 divisors (see below), whose sum is σ = 9084768. Its totient is φ = 1514124.

The previous prime is 4542371. The next prime is 4542389. The reversal of 4542378 is 8732454.

It is a sphenic number, since it is the product of 3 distinct primes.

4542378 is an admirable number.

It is a Smith number, since the sum of its digits (33) 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 (4542371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378526 + ... + 378537.

It is an arithmetic number, because the mean of its divisors is an integer number (1135596).

Almost surely, 2^4542378 is an apocalyptic number.

4542378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4542378 is a wasteful number, since it uses less digits than its factorization.

4542378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757068.

The product of its digits is 26880, while the sum is 33.

The square root of 4542378 is about 2131.2855275631. The cubic root of 4542378 is about 165.6129998663.

The spelling of 4542378 in words is "four million, five hundred forty-two thousand, three hundred seventy-eight".