67926307842 has 24 divisors (see below), whose sum is σ = 148247932716. Its totient is φ = 22476830976.

The previous prime is 67926307817. The next prime is 67926307843. The reversal of 67926307842 is 24870362976.

It can be written as a sum of positive squares in 2 ways, for example, as 63817369641 + 4108938201 = 252621^2 + 64101^2 .

It is a super-2 number, since 2×67926307842² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67926307843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13770103 + ... + 13775034.

Almost surely, 2^67926307842 is an apocalyptic number.

67926307842 is an abundant number, since it is smaller than the sum of its proper divisors (80321624874).

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

67926307842 is a wasteful number, since it uses less digits than its factorization.

67926307842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545282 (or 27545279 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 67926307842 in words is "sixty-seven billion, nine hundred twenty-six million, three hundred seven thousand, eight hundred forty-two".