42628758 has 32 divisors (see below), whose sum is σ = 90810720. Its totient is φ = 13294080.

The previous prime is 42628709. The next prime is 42628759. The reversal of 42628758 is 85782624.

It is a happy number.

42628758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42628758² = 3634422017245128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42628759) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 17308 + ... + 19616.

It is an arithmetic number, because the mean of its divisors is an integer number (2837835).

Almost surely, 2^42628758 is an apocalyptic number.

42628758 is an abundant number, since it is smaller than the sum of its proper divisors (48181962).

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

42628758 is a wasteful number, since it uses less digits than its factorization.

42628758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its digits is 215040, while the sum is 42.

The square root of 42628758 is about 6529.0702247717. The cubic root of 42628758 is about 349.3286668844.

The spelling of 42628758 in words is "forty-two million, six hundred twenty-eight thousand, seven hundred fifty-eight".