67485538747 has 32 divisors (see below), whose sum is σ = 77416416000. Its totient is φ = 58265101440.

The previous prime is 67485538717. The next prime is 67485538763. The reversal of 67485538747 is 74783558476.

It is a cyclic number.

It is not a de Polignac number, because 67485538747 - 2¹⁹ = 67485014459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67485538717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4826188 + ... + 4840150.

It is an arithmetic number, because the mean of its divisors is an integer number (2419263000).

Almost surely, 2^67485538747 is an apocalyptic number.

67485538747 is a deficient number, since it is larger than the sum of its proper divisors (9930877253).

67485538747 is a wasteful number, since it uses less digits than its factorization.

67485538747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251.

The product of its digits is 158054400, while the sum is 64.

The spelling of 67485538747 in words is "sixty-seven billion, four hundred eighty-five million, five hundred thirty-eight thousand, seven hundred forty-seven".