67040737374 has 64 divisors (see below), whose sum is σ = 145618437888. Its totient is φ = 20453472000.

The previous prime is 67040737363. The next prime is 67040737411. The reversal of 67040737374 is 47373704076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18400797 + ... + 18404439.

It is an arithmetic number, because the mean of its divisors is an integer number (2275288092).

Almost surely, 2^67040737374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67040737374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72809218944).

67040737374 is an abundant number, since it is smaller than the sum of its proper divisors (78577700514).

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

67040737374 is a wasteful number, since it uses less digits than its factorization.

67040737374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 2074464, while the sum is 48.

The spelling of 67040737374 in words is "sixty-seven billion, forty million, seven hundred thirty-seven thousand, three hundred seventy-four".