770701321 has 4 divisors (see below), whose sum is σ = 829986052. Its totient is φ = 711416592.

The previous prime is 770701301. The next prime is 770701331. The reversal of 770701321 is 123107077.

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 61011721 + 709689600 = 7811^2 + 26640^2 .

It is a cyclic number.

It is not a de Polignac number, because 770701321 - 2⁹ = 770700809 is a prime.

It is a super-2 number, since 2×770701321² = 1187961052382290082, which contains 22 as substring.

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 770701321.

It is not an unprimeable number, because it can be changed into a prime (770701301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29642346 + ... + 29642371.

It is an arithmetic number, because the mean of its divisors is an integer number (207496513).

Almost surely, 2^770701321 is an apocalyptic number.

It is an amenable number.

770701321 is a deficient number, since it is larger than the sum of its proper divisors (59284731).

770701321 is a wasteful number, since it uses less digits than its factorization.

770701321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59284730.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 770701321 is about 27761.5079021295. The cubic root of 770701321 is about 916.8438323058.

Adding to 770701321 its reverse (123107077), we get a palindrome (893808398).

The spelling of 770701321 in words is "seven hundred seventy million, seven hundred one thousand, three hundred twenty-one".