749340997 has 2 divisors, whose sum is σ = 749340998. Its totient is φ = 749340996.

The previous prime is 749340979. The next prime is 749341007. The reversal of 749340997 is 799043947.

Together with previous prime (749340979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742508001 + 6832996 = 27249^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 749340997 - 2⁷ = 749340869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749340937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374670498 + 374670499.

It is an arithmetic number, because the mean of its divisors is an integer number (374670499).

Almost surely, 2^749340997 is an apocalyptic number.

It is an amenable number.

749340997 is a deficient number, since it is larger than the sum of its proper divisors (1).

749340997 is an equidigital number, since it uses as much as digits as its factorization.

749340997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 749340997 is about 27374.0935375037. The cubic root of 749340997 is about 908.2941100103.

The spelling of 749340997 in words is "seven hundred forty-nine million, three hundred forty thousand, nine hundred ninety-seven".