67545242 has 8 divisors (see below), whose sum is σ = 101571732. Its totient is φ = 33688000.

The previous prime is 67545241. The next prime is 67545253. The reversal of 67545242 is 24254576.

It can be written as a sum of positive squares in 2 ways, for example, as 39677401 + 27867841 = 6299^2 + 5279^2 .

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

It is not an unprimeable number, because it can be changed into a prime (67545241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41309 + ... + 42912.

Almost surely, 2^67545242 is an apocalyptic number.

67545242 is a deficient number, since it is larger than the sum of its proper divisors (34026490).

67545242 is a wasteful number, since it uses less digits than its factorization.

67545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84624.

The product of its digits is 67200, while the sum is 35.

The square root of 67545242 is about 8218.5912418127. The cubic root of 67545242 is about 407.2535893449.

The spelling of 67545242 in words is "sixty-seven million, five hundred forty-five thousand, two hundred forty-two".