67040740407 has 16 divisors (see below), whose sum is σ = 90532973952. Its totient is φ = 44123719200.

The previous prime is 67040740279. The next prime is 67040740409. The reversal of 67040740407 is 70404704076.

It is not a de Polignac number, because 67040740407 - 2⁷ = 67040740279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67040740409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213673 + ... + 423954.

It is an arithmetic number, because the mean of its divisors is an integer number (5658310872).

Almost surely, 2^67040740407 is an apocalyptic number.

67040740407 is a deficient number, since it is larger than the sum of its proper divisors (23492233545).

67040740407 is a wasteful number, since it uses less digits than its factorization.

67040740407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638078.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 67040740407 in words is "sixty-seven billion, forty million, seven hundred forty thousand, four hundred seven".