770022464 has 28 divisors (see below), whose sum is σ = 1538287500. Its totient is φ = 382422528.

The previous prime is 770022433. The next prime is 770022467. The reversal of 770022464 is 464220077.

It can be written as a sum of positive squares in 2 ways, for example, as 424360000 + 345662464 = 20600^2 + 18592^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 770022464.

It is not an unprimeable number, because it can be changed into a prime (770022467) 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, 30839 + ... + 49910.

Almost surely, 2^770022464 is an apocalyptic number.

It is an amenable number.

770022464 is a deficient number, since it is larger than the sum of its proper divisors (768265036).

770022464 is a wasteful number, since it uses less digits than its factorization.

770022464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80910 (or 80900 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 770022464 is about 27749.2786212543. The cubic root of 770022464 is about 916.5745586497.

The spelling of 770022464 in words is "seven hundred seventy million, twenty-two thousand, four hundred sixty-four".