67740950254 has 4 divisors (see below), whose sum is σ = 101611425384. Its totient is φ = 33870475126.

The previous prime is 67740950237. The next prime is 67740950269. The reversal of 67740950254 is 45205904776.

It is a happy number.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 67740950198 and 67740950207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16935237562 + ... + 16935237565.

It is an arithmetic number, because the mean of its divisors is an integer number (25402856346).

Almost surely, 2^67740950254 is an apocalyptic number.

67740950254 is a deficient number, since it is larger than the sum of its proper divisors (33870475130).

67740950254 is a wasteful number, since it uses less digits than its factorization.

67740950254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33870475129.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 67740950254 in words is "sixty-seven billion, seven hundred forty million, nine hundred fifty thousand, two hundred fifty-four".