749968766 has 4 divisors (see below), whose sum is σ = 1124953152. Its totient is φ = 374984382.

The previous prime is 749968759. The next prime is 749968781. The reversal of 749968766 is 667869947.

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

It is a junction number, because it is equal to n+sod(n) for n = 749968699 and 749968708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187492190 + ... + 187492193.

It is an arithmetic number, because the mean of its divisors is an integer number (281238288).

Almost surely, 2^749968766 is an apocalyptic number.

749968766 is a deficient number, since it is larger than the sum of its proper divisors (374984386).

749968766 is a wasteful number, since it uses less digits than its factorization.

749968766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374984385.

The product of its digits is 27433728, while the sum is 62.

The square root of 749968766 is about 27385.5576171091. The cubic root of 749968766 is about 908.5476838089.

The spelling of 749968766 in words is "seven hundred forty-nine million, nine hundred sixty-eight thousand, seven hundred sixty-six".