67953642 has 8 divisors (see below), whose sum is σ = 135907296. Its totient is φ = 22651212.

The previous prime is 67953623. The next prime is 67953679. The reversal of 67953642 is 24635976.

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

67953642 is an admirable number.

It is a super-2 number, since 2×67953642² = 9235394922128328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67953594 and 67953603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662798 + ... + 5662809.

It is an arithmetic number, because the mean of its divisors is an integer number (16988412).

Almost surely, 2^67953642 is an apocalyptic number.

67953642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67953642 is a wasteful number, since it uses less digits than its factorization.

67953642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325612.

The product of its digits is 272160, while the sum is 42.

The square root of 67953642 is about 8243.3999053788. The cubic root of 67953642 is about 408.0727354946.

The spelling of 67953642 in words is "sixty-seven million, nine hundred fifty-three thousand, six hundred forty-two".