724530026761 has 2 divisors, whose sum is σ = 724530026762. Its totient is φ = 724530026760.

The previous prime is 724530026749. The next prime is 724530026789. The reversal of 724530026761 is 167620035427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369504721161 + 355025305600 = 607869^2 + 595840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724530026761 is a prime.

It is a super-2 number, since 2×724530026761² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (724530036761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362265013380 + 362265013381.

It is an arithmetic number, because the mean of its divisors is an integer number (362265013381).

Almost surely, 2^724530026761 is an apocalyptic number.

It is an amenable number.

724530026761 is a deficient number, since it is larger than the sum of its proper divisors (1).

724530026761 is an equidigital number, since it uses as much as digits as its factorization.

724530026761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 724530026761 in words is "seven hundred twenty-four billion, five hundred thirty million, twenty-six thousand, seven hundred sixty-one".