67918242 has 32 divisors (see below), whose sum is σ = 158856192. Its totient is φ = 18953424.

The previous prime is 67918229. The next prime is 67918267. The reversal of 67918242 is 24281976.

It is a super-2 number, since 2×67918242² = 9225775192741128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67918242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16998 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (4964256).

Almost surely, 2^67918242 is an apocalyptic number.

67918242 is an abundant number, since it is smaller than the sum of its proper divisors (90937950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67918242 is a wasteful number, since it uses less digits than its factorization.

67918242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662.

The product of its digits is 48384, while the sum is 39.

The square root of 67918242 is about 8241.2524533593. The cubic root of 67918242 is about 408.0018622560.

The spelling of 67918242 in words is "sixty-seven million, nine hundred eighteen thousand, two hundred forty-two".