749597987 has 2 divisors, whose sum is σ = 749597988. Its totient is φ = 749597986.

The previous prime is 749597963. The next prime is 749598007. The reversal of 749597987 is 789795947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749597987 - 2⁶ = 749597923 is a prime.

It is a super-2 number, since 2×749597987² = 1123794284228904338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (749597917) 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, 374798993 + 374798994.

It is an arithmetic number, because the mean of its divisors is an integer number (374798994).

Almost surely, 2^749597987 is an apocalyptic number.

749597987 is a deficient number, since it is larger than the sum of its proper divisors (1).

749597987 is an equidigital number, since it uses as much as digits as its factorization.

749597987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 65.

The square root of 749597987 is about 27378.7871718234. The cubic root of 749597987 is about 908.3979327136.

The spelling of 749597987 in words is "seven hundred forty-nine million, five hundred ninety-seven thousand, nine hundred eighty-seven".