761364641 has 2 divisors, whose sum is σ = 761364642. Its totient is φ = 761364640.

The previous prime is 761364623. The next prime is 761364671. The reversal of 761364641 is 146463167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694059025 + 67305616 = 26345^2 + 8204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761364641 is a prime.

It is a super-2 number, since 2×761364641² = 1159352233130117762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 761364595 and 761364604.

It is not a weakly prime, because it can be changed into another prime (761364671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380682320 + 380682321.

It is an arithmetic number, because the mean of its divisors is an integer number (380682321).

Almost surely, 2^761364641 is an apocalyptic number.

It is an amenable number.

761364641 is a deficient number, since it is larger than the sum of its proper divisors (1).

761364641 is an equidigital number, since it uses as much as digits as its factorization.

761364641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 761364641 is about 27592.8367697125. The cubic root of 761364641 is about 913.1264043465.

The spelling of 761364641 in words is "seven hundred sixty-one million, three hundred sixty-four thousand, six hundred forty-one".