785696740 has 24 divisors (see below), whose sum is σ = 1736804160. Its totient is φ = 297737568.

The previous prime is 785696729. The next prime is 785696741. The reversal of 785696740 is 47696587.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (785696741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033432 + ... + 1034191.

It is an arithmetic number, because the mean of its divisors is an integer number (72366840).

Almost surely, 2^785696740 is an apocalyptic number.

It is an amenable number.

785696740 is an abundant number, since it is smaller than the sum of its proper divisors (951107420).

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

785696740 is a wasteful number, since it uses less digits than its factorization.

785696740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067651 (or 2067649 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 785696740 is about 28030.2825529819. The cubic root of 785696740 is about 922.7519756839.

The spelling of 785696740 in words is "seven hundred eighty-five million, six hundred ninety-six thousand, seven hundred forty".