770045043 has 4 divisors (see below), whose sum is σ = 1026726728. Its totient is φ = 513363360.

The previous prime is 770045041. The next prime is 770045051. The reversal of 770045043 is 340540077.

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

It is not a de Polignac number, because 770045043 - 2¹ = 770045041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 770045043.

It is not an unprimeable number, because it can be changed into a prime (770045041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128340838 + ... + 128340843.

It is an arithmetic number, because the mean of its divisors is an integer number (256681682).

Almost surely, 2^770045043 is an apocalyptic number.

770045043 is a deficient number, since it is larger than the sum of its proper divisors (256681685).

770045043 is a wasteful number, since it uses less digits than its factorization.

770045043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256681684.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 770045043 is about 27749.6854576768. The cubic root of 770045043 is about 916.5835173211.

The spelling of 770045043 in words is "seven hundred seventy million, forty-five thousand, forty-three".