42679575 has 48 divisors (see below), whose sum is σ = 79950240. Its totient is φ = 22314240.

The previous prime is 42679573. The next prime is 42679577. The reversal of 42679575 is 57597624.

42679575 is a `hidden beast` number, since 4 + 2 + 6 + 79 + 575 = 666.

It is an interprime number because it is at equal distance from previous prime (42679573) and next prime (42679577).

It is not a de Polignac number, because 42679575 - 2¹ = 42679573 is a prime.

It is a super-2 number, since 2×42679575² = 3643092244361250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42679575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42679573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35179 + ... + 36371.

It is an arithmetic number, because the mean of its divisors is an integer number (1665630).

Almost surely, 2^42679575 is an apocalyptic number.

42679575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42679575 is a deficient number, since it is larger than the sum of its proper divisors (37270665).

42679575 is a wasteful number, since it uses less digits than its factorization.

42679575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1254 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 42679575 is about 6532.9606611398. The cubic root of 42679575 is about 349.4674213034.

The spelling of 42679575 in words is "forty-two million, six hundred seventy-nine thousand, five hundred seventy-five".