67948953 has 4 divisors (see below), whose sum is σ = 90598608. Its totient is φ = 45299300.

The previous prime is 67948939. The next prime is 67948961. The reversal of 67948953 is 35984976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67948953 - 2⁶ = 67948889 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67948896 and 67948905.

It is not an unprimeable number, because it can be changed into a prime (67948253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11324823 + ... + 11324828.

It is an arithmetic number, because the mean of its divisors is an integer number (22649652).

Almost surely, 2^67948953 is an apocalyptic number.

It is an amenable number.

67948953 is a deficient number, since it is larger than the sum of its proper divisors (22649655).

67948953 is a wasteful number, since it uses less digits than its factorization.

67948953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22649654.

The product of its digits is 1632960, while the sum is 51.

The square root of 67948953 is about 8243.1154911235. The cubic root of 67948953 is about 408.0633492080.

The spelling of 67948953 in words is "sixty-seven million, nine hundred forty-eight thousand, nine hundred fifty-three".