73734000731 has 2 divisors, whose sum is σ = 73734000732. Its totient is φ = 73734000730.

The previous prime is 73734000727. The next prime is 73734000761. The reversal of 73734000731 is 13700043737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73734000731 - 2² = 73734000727 is a prime.

It is a super-2 number, since 2×73734000731² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73734000691 and 73734000700.

It is not a weakly prime, because it can be changed into another prime (73734000761) 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 as a sum of consecutive naturals, namely, 36867000365 + 36867000366.

It is an arithmetic number, because the mean of its divisors is an integer number (36867000366).

Almost surely, 2^73734000731 is an apocalyptic number.

73734000731 is a deficient number, since it is larger than the sum of its proper divisors (1).

73734000731 is an equidigital number, since it uses as much as digits as its factorization.

73734000731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 35.

The spelling of 73734000731 in words is "seventy-three billion, seven hundred thirty-four million, seven hundred thirty-one", and thus it is an aban number.