770673217 has 4 divisors (see below), whose sum is σ = 771383296. Its totient is φ = 769963140.

The previous prime is 770673199. The next prime is 770673227. The reversal of 770673217 is 712376077.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770673217 is a prime.

It is a super-2 number, since 2×770673217² = 1187874414802258178, 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 770673217.

It is not an unprimeable number, because it can be changed into a prime (770673227) 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, 353409 + ... + 355582.

It is an arithmetic number, because the mean of its divisors is an integer number (192845824).

Almost surely, 2^770673217 is an apocalyptic number.

It is an amenable number.

770673217 is a deficient number, since it is larger than the sum of its proper divisors (710079).

770673217 is a wasteful number, since it uses less digits than its factorization.

770673217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710078.

The product of its (nonzero) digits is 86436, while the sum is 40.

The square root of 770673217 is about 27761.0017290443. The cubic root of 770673217 is about 916.8326877844.

The spelling of 770673217 in words is "seven hundred seventy million, six hundred seventy-three thousand, two hundred seventeen".