42594975 has 18 divisors (see below), whose sum is σ = 76292736. Its totient is φ = 22717200.

The previous prime is 42594971. The next prime is 42594977. The reversal of 42594975 is 57949524.

It is not a de Polignac number, because 42594975 - 2² = 42594971 is a prime.

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 42594975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42594971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94431 + ... + 94880.

Almost surely, 2^42594975 is an apocalyptic number.

42594975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42594975 is a deficient number, since it is larger than the sum of its proper divisors (33697761).

42594975 is a wasteful number, since it uses less digits than its factorization.

42594975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189327 (or 189319 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 42594975 is about 6526.4825901859. The cubic root of 42594975 is about 349.2363623011.

The spelling of 42594975 in words is "forty-two million, five hundred ninety-four thousand, nine hundred seventy-five".