766933749 has 12 divisors (see below), whose sum is σ = 1109524416. Its totient is φ = 510490152.

The previous prime is 766933729. The next prime is 766933771. The reversal of 766933749 is 947339667.

It is not a de Polignac number, because 766933749 - 2⁷ = 766933621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766933695 and 766933704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766933709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60477 + ... + 72050.

It is an arithmetic number, because the mean of its divisors is an integer number (92460368).

Almost surely, 2^766933749 is an apocalyptic number.

It is an amenable number.

766933749 is a deficient number, since it is larger than the sum of its proper divisors (342590667).

766933749 is a wasteful number, since it uses less digits than its factorization.

766933749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133176 (or 133173 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The square root of 766933749 is about 27693.5687299416. The cubic root of 766933749 is about 915.3473947397.

The spelling of 766933749 in words is "seven hundred sixty-six million, nine hundred thirty-three thousand, seven hundred forty-nine".