770047427 has 4 divisors (see below), whose sum is σ = 776862120. Its totient is φ = 763232736.

The previous prime is 770047423. The next prime is 770047433. The reversal of 770047427 is 724740077.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 770047427 - 2² = 770047423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770047423) 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, 3407177 + ... + 3407402.

It is an arithmetic number, because the mean of its divisors is an integer number (194215530).

Almost surely, 2^770047427 is an apocalyptic number.

770047427 is a deficient number, since it is larger than the sum of its proper divisors (6814693).

770047427 is a wasteful number, since it uses less digits than its factorization.

770047427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814692.

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 770047427 is about 27749.7284130854. The cubic root of 770047427 is about 916.5844632107.

The spelling of 770047427 in words is "seven hundred seventy million, forty-seven thousand, four hundred twenty-seven".