67428242 has 8 divisors (see below), whose sum is σ = 115591296. Its totient is φ = 28897812.

The previous prime is 67428211. The next prime is 67428247. The reversal of 67428242 is 24282476.

It is a happy number.

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 (67428247) 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, 2408138 + ... + 2408165.

It is an arithmetic number, because the mean of its divisors is an integer number (14448912).

Almost surely, 2^67428242 is an apocalyptic number.

67428242 is a deficient number, since it is larger than the sum of its proper divisors (48163054).

67428242 is a wasteful number, since it uses less digits than its factorization.

67428242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816312.

The product of its digits is 43008, while the sum is 35.

The square root of 67428242 is about 8211.4701485179. The cubic root of 67428242 is about 407.0183089760.

The spelling of 67428242 in words is "sixty-seven million, four hundred twenty-eight thousand, two hundred forty-two".