761968937 has 2 divisors, whose sum is σ = 761968938. Its totient is φ = 761968936.

The previous prime is 761968931. The next prime is 761968979. The reversal of 761968937 is 739869167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 754106521 + 7862416 = 27461^2 + 2804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761968937 is a prime.

It is not a weakly prime, because it can be changed into another prime (761968931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380984468 + 380984469.

It is an arithmetic number, because the mean of its divisors is an integer number (380984469).

Almost surely, 2^761968937 is an apocalyptic number.

It is an amenable number.

761968937 is a deficient number, since it is larger than the sum of its proper divisors (1).

761968937 is an equidigital number, since it uses as much as digits as its factorization.

761968937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 56.

The square root of 761968937 is about 27603.7848310698. The cubic root of 761968937 is about 913.3679236223.

The spelling of 761968937 in words is "seven hundred sixty-one million, nine hundred sixty-eight thousand, nine hundred thirty-seven".