67540763554 has 16 divisors (see below), whose sum is σ = 113508311616. Its totient is φ = 29870607600.

The previous prime is 67540763527. The next prime is 67540763557. The reversal of 67540763554 is 45536704576.

It is not an unprimeable number, because it can be changed into a prime (67540763557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41486142 + ... + 41487769.

It is an arithmetic number, because the mean of its divisors is an integer number (7094269476).

Almost surely, 2^67540763554 is an apocalyptic number.

67540763554 is a deficient number, since it is larger than the sum of its proper divisors (45967548062).

67540763554 is a wasteful number, since it uses less digits than its factorization.

67540763554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82973961.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 67540763554 in words is "sixty-seven billion, five hundred forty million, seven hundred sixty-three thousand, five hundred fifty-four".