42750478 has 16 divisors (see below), whose sum is σ = 68720400. Its totient is φ = 19874176.

The previous prime is 42750467. The next prime is 42750481. The reversal of 42750478 is 87405724.

It is a congruent number.

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, 4753 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (4295025).

Almost surely, 2^42750478 is an apocalyptic number.

42750478 is a deficient number, since it is larger than the sum of its proper divisors (25969922).

42750478 is a wasteful number, since it uses less digits than its factorization.

42750478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 42750478 is about 6538.3849687824. The cubic root of 42750478 is about 349.6608360687.

It can be divided in two parts, 427 and 50478, that added together give a palindrome (50905).

The spelling of 42750478 in words is "forty-two million, seven hundred fifty thousand, four hundred seventy-eight".