770546745 has 24 divisors (see below), whose sum is σ = 1337428872. Its totient is φ = 410400000.

The previous prime is 770546687. The next prime is 770546747. The reversal of 770546745 is 547645077.

It can be written as a sum of positive squares in 4 ways, for example, as 86044176 + 684502569 = 9276^2 + 26163^2 .

It is not a de Polignac number, because 770546745 - 2²⁴ = 753769529 is a prime.

It is a super-3 number, since 3×770546745³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 770546745.

It is not an unprimeable number, because it can be changed into a prime (770546747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22995 + ... + 45495.

It is an arithmetic number, because the mean of its divisors is an integer number (55726203).

Almost surely, 2^770546745 is an apocalyptic number.

It is an amenable number.

770546745 is a deficient number, since it is larger than the sum of its proper divisors (566882127).

770546745 is a wasteful number, since it uses less digits than its factorization.

770546745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23273 (or 23270 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 770546745 is about 27758.7237638909. The cubic root of 770546745 is about 916.7825324982.

The spelling of 770546745 in words is "seven hundred seventy million, five hundred forty-six thousand, seven hundred forty-five".