67040744070 has 128 divisors (see below), whose sum is σ = 166402916352. Its totient is φ = 17276643200.

The previous prime is 67040744041. The next prime is 67040744101. The reversal of 67040744070 is 7044704076.

It is a super-2 number, since 2×67040744070² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65024455 + ... + 65025485.

It is an arithmetic number, because the mean of its divisors is an integer number (1300022784).

Almost surely, 2^67040744070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67040744070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83201458176).

67040744070 is an abundant number, since it is smaller than the sum of its proper divisors (99362172282).

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

67040744070 is a wasteful number, since it uses less digits than its factorization.

67040744070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

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

The spelling of 67040744070 in words is "sixty-seven billion, forty million, seven hundred forty-four thousand, seventy".