769739731 has 2 divisors, whose sum is σ = 769739732. Its totient is φ = 769739730.

The previous prime is 769739693. The next prime is 769739743. The reversal of 769739731 is 137937967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 769739731 - 2¹³ = 769731539 is a prime.

It is a super-2 number, since 2×769739731² = 1184998506959904722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (769736731) 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, 384869865 + 384869866.

It is an arithmetic number, because the mean of its divisors is an integer number (384869866).

Almost surely, 2^769739731 is an apocalyptic number.

769739731 is a deficient number, since it is larger than the sum of its proper divisors (1).

769739731 is an equidigital number, since it uses as much as digits as its factorization.

769739731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500282, while the sum is 52.

The square root of 769739731 is about 27744.1837328115. The cubic root of 769739731 is about 916.4623638283.

The spelling of 769739731 in words is "seven hundred sixty-nine million, seven hundred thirty-nine thousand, seven hundred thirty-one".