67731344030401 has 4 divisors (see below), whose sum is σ = 67731892173252. Its totient is φ = 67730795887552.

The previous prime is 67731344030353. The next prime is 67731344030429. The reversal of 67731344030401 is 10403044313776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52499878662400 + 15231465368001 = 7245680^2 + 3902751^2 .

It is a cyclic number.

It is not a de Polignac number, because 67731344030401 - 2¹⁵ = 67731343997633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67731344030491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273886036 + ... + 274133221.

It is an arithmetic number, because the mean of its divisors is an integer number (16932973043313).

Almost surely, 2^{67731344030401} is an apocalyptic number.

It is an amenable number.

67731344030401 is a deficient number, since it is larger than the sum of its proper divisors (548142851).

67731344030401 is a wasteful number, since it uses less digits than its factorization.

67731344030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548142850.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 67731344030401 in words is "sixty-seven trillion, seven hundred thirty-one billion, three hundred forty-four million, thirty thousand, four hundred one".