67995948373 has 4 divisors (see below), whose sum is σ = 71995710060. Its totient is φ = 63996186688.

The previous prime is 67995948329. The next prime is 67995948379. The reversal of 67995948373 is 37384959976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48056531524 + 19939416849 = 219218^2 + 141207^2 .

It is a cyclic number.

It is not a de Polignac number, because 67995948373 - 2³³ = 59406013781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67995948379) 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, 1999880818 + ... + 1999880851.

It is an arithmetic number, because the mean of its divisors is an integer number (17998927515).

Almost surely, 2^67995948373 is an apocalyptic number.

It is an amenable number.

67995948373 is a deficient number, since it is larger than the sum of its proper divisors (3999761687).

67995948373 is a wasteful number, since it uses less digits than its factorization.

67995948373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999761686.

The product of its digits is 308629440, while the sum is 70.

The spelling of 67995948373 in words is "sixty-seven billion, nine hundred ninety-five million, nine hundred forty-eight thousand, three hundred seventy-three".