785080745 has 4 divisors (see below), whose sum is σ = 942096900. Its totient is φ = 628064592.

The previous prime is 785080717. The next prime is 785080783. The reversal of 785080745 is 547080587.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279190681 + 505890064 = 16709^2 + 22492^2 .

It is a cyclic number.

It is not a de Polignac number, because 785080745 - 2¹⁰ = 785079721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 785080696 and 785080705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78508070 + ... + 78508079.

It is an arithmetic number, because the mean of its divisors is an integer number (235524225).

Almost surely, 2^785080745 is an apocalyptic number.

It is an amenable number.

785080745 is a deficient number, since it is larger than the sum of its proper divisors (157016155).

785080745 is a wasteful number, since it uses less digits than its factorization.

785080745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157016154.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 785080745 is about 28019.2923715072. The cubic root of 785080745 is about 922.5107633578.

The spelling of 785080745 in words is "seven hundred eighty-five million, eighty thousand, seven hundred forty-five".