783640034 has 8 divisors (see below), whose sum is σ = 1177052880. Its totient is φ = 391289076.

The previous prime is 783639959. The next prime is 783640069. The reversal of 783640034 is 430046387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×783640034² = 1228183405775042312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783639976 and 783640003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 263624 + ... + 266579.

It is an arithmetic number, because the mean of its divisors is an integer number (147131610).

Almost surely, 2^783640034 is an apocalyptic number.

783640034 is a deficient number, since it is larger than the sum of its proper divisors (393412846).

783640034 is a wasteful number, since it uses less digits than its factorization.

783640034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530944.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 783640034 is about 27993.5712977105. The cubic root of 783640034 is about 921.9461143325.

The spelling of 783640034 in words is "seven hundred eighty-three million, six hundred forty thousand, thirty-four".