73055696731 has 2 divisors, whose sum is σ = 73055696732. Its totient is φ = 73055696730.

The previous prime is 73055696719. The next prime is 73055696797. The reversal of 73055696731 is 13769655037.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73055696731 - 2¹¹ = 73055694683 is a prime.

It is a super-2 number, since 2×73055696731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73055696531) by changing a digit.

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 as a sum of consecutive naturals, namely, 36527848365 + 36527848366.

It is an arithmetic number, because the mean of its divisors is an integer number (36527848366).

Almost surely, 2^73055696731 is an apocalyptic number.

73055696731 is a deficient number, since it is larger than the sum of its proper divisors (1).

73055696731 is an equidigital number, since it uses as much as digits as its factorization.

73055696731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 73055696731 in words is "seventy-three billion, fifty-five million, six hundred ninety-six thousand, seven hundred thirty-one".