42634078 has 4 divisors (see below), whose sum is σ = 63951120. Its totient is φ = 21317038.

The previous prime is 42634051. The next prime is 42634087. The reversal of 42634078 is 87043624.

42634078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10658518 + ... + 10658521.

It is an arithmetic number, because the mean of its divisors is an integer number (15987780).

Almost surely, 2^42634078 is an apocalyptic number.

42634078 is a deficient number, since it is larger than the sum of its proper divisors (21317042).

42634078 is a wasteful number, since it uses less digits than its factorization.

42634078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21317041.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42634078 is about 6529.4776207596. The cubic root of 42634078 is about 349.3431981640.

The spelling of 42634078 in words is "forty-two million, six hundred thirty-four thousand, seventy-eight".