67140662754 has 32 divisors (see below), whose sum is σ = 146787137280. Its totient is φ = 20304208400.

The previous prime is 67140662749. The next prime is 67140662777. The reversal of 67140662754 is 45726604176.

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, 1003524 + ... + 1068335.

It is an arithmetic number, because the mean of its divisors is an integer number (4587098040).

Almost surely, 2^67140662754 is an apocalyptic number.

67140662754 is an abundant number, since it is smaller than the sum of its proper divisors (79646474526).

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

67140662754 is a wasteful number, since it uses less digits than its factorization.

67140662754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072366.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 67140662754 in words is "sixty-seven billion, one hundred forty million, six hundred sixty-two thousand, seven hundred fifty-four".