42528079 has 8 divisors (see below), whose sum is σ = 46472400. Its totient is φ = 38596800.

The previous prime is 42528047. The next prime is 42528089. The reversal of 42528079 is 97082524.

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

It is not a de Polignac number, because 42528079 - 2⁵ = 42528047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42528019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (5809050).

Almost surely, 2^42528079 is an apocalyptic number.

42528079 is a deficient number, since it is larger than the sum of its proper divisors (3944321).

42528079 is a wasteful number, since it uses less digits than its factorization.

42528079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42528079 is about 6521.3556106074. The cubic root of 42528079 is about 349.0534396538.

The spelling of 42528079 in words is "forty-two million, five hundred twenty-eight thousand, seventy-nine".