770645694 has 96 divisors (see below), whose sum is σ = 1951520256. Its totient is φ = 197562240.

The previous prime is 770645693. The next prime is 770645713. The reversal of 770645694 is 496546077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770645693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 746959 + ... + 747989.

It is an arithmetic number, because the mean of its divisors is an integer number (20328336).

Almost surely, 2^770645694 is an apocalyptic number.

770645694 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 770645694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975760128).

770645694 is an abundant number, since it is smaller than the sum of its proper divisors (1180874562).

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

770645694 is a wasteful number, since it uses less digits than its factorization.

770645694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 770645694 is about 27760.5060112383. The cubic root of 770645694 is about 916.8217733934.

The spelling of 770645694 in words is "seven hundred seventy million, six hundred forty-five thousand, six hundred ninety-four".