67800437137 has 8 divisors (see below), whose sum is σ = 67906086696. Its totient is φ = 67694869632.

The previous prime is 67800437069. The next prime is 67800437147. The reversal of 67800437137 is 73173400876.

It can be written as a sum of positive squares in 4 ways, for example, as 11278227601 + 56522209536 = 106199^2 + 237744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67800437137 - 2⁷ = 67800437009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67800437147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750303 + ... + 1788619.

It is an arithmetic number, because the mean of its divisors is an integer number (8488260837).

Almost surely, 2^67800437137 is an apocalyptic number.

It is an amenable number.

67800437137 is a deficient number, since it is larger than the sum of its proper divisors (105649559).

67800437137 is a wasteful number, since it uses less digits than its factorization.

67800437137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41027.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 67800437137 in words is "sixty-seven billion, eight hundred million, four hundred thirty-seven thousand, one hundred thirty-seven".