749318611 has 4 divisors (see below), whose sum is σ = 763456752. Its totient is φ = 735180472.

The previous prime is 749318569. The next prime is 749318629. The reversal of 749318611 is 116813947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116813947 = 277 ⋅421711.

It is a cyclic number.

It is not a de Polignac number, because 749318611 - 2⁷ = 749318483 is a prime.

It is a super-2 number, since 2×749318611² = 1122956761581938642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749318651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068991 + ... + 7069096.

It is an arithmetic number, because the mean of its divisors is an integer number (190864188).

Almost surely, 2^749318611 is an apocalyptic number.

749318611 is a deficient number, since it is larger than the sum of its proper divisors (14138141).

749318611 is a wasteful number, since it uses less digits than its factorization.

749318611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14138140.

The product of its digits is 36288, while the sum is 40.

The square root of 749318611 is about 27373.6846441980. The cubic root of 749318611 is about 908.2850650519.

The spelling of 749318611 in words is "seven hundred forty-nine million, three hundred eighteen thousand, six hundred eleven".