749666963 has 4 divisors (see below), whose sum is σ = 751677168. Its totient is φ = 747656760.

The previous prime is 749666959. The next prime is 749666989. The reversal of 749666963 is 369666947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749666963 - 2² = 749666959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749666899 and 749666908.

It is not an unprimeable number, because it can be changed into a prime (749666923) 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, 1004543 + ... + 1005288.

It is an arithmetic number, because the mean of its divisors is an integer number (187919292).

Almost surely, 2^749666963 is an apocalyptic number.

749666963 is a deficient number, since it is larger than the sum of its proper divisors (2010205).

749666963 is a wasteful number, since it uses less digits than its factorization.

749666963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010204.

The product of its digits is 8817984, while the sum is 56.

The square root of 749666963 is about 27380.0468041967. The cubic root of 749666963 is about 908.4257946410.

The spelling of 749666963 in words is "seven hundred forty-nine million, six hundred sixty-six thousand, nine hundred sixty-three".