766703940 has 24 divisors (see below), whose sum is σ = 2146771200. Its totient is φ = 204454368.

The previous prime is 766703933. The next prime is 766703947. The reversal of 766703940 is 49307667.

It is an interprime number because it is at equal distance from previous prime (766703933) and next prime (766703947).

It is a super-2 number, since 2×766703940² = 1175669863223047200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766703892 and 766703901.

It is not an unprimeable number, because it can be changed into a prime (766703947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6389140 + ... + 6389259.

It is an arithmetic number, because the mean of its divisors is an integer number (89448800).

Almost surely, 2^766703940 is an apocalyptic number.

It is an amenable number.

766703940 is an abundant number, since it is smaller than the sum of its proper divisors (1380067260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766703940 is a wasteful number, since it uses less digits than its factorization.

766703940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778411 (or 12778409 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 766703940 is about 27689.4192788509. The cubic root of 766703940 is about 915.2559587307.

The spelling of 766703940 in words is "seven hundred sixty-six million, seven hundred three thousand, nine hundred forty".