770240247 has 8 divisors (see below), whose sum is σ = 1173699456. Its totient is φ = 440137272.

The previous prime is 770240213. The next prime is 770240269. The reversal of 770240247 is 742042077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 770240247 - 2¹¹ = 770238199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770240287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18339033 + ... + 18339074.

It is an arithmetic number, because the mean of its divisors is an integer number (146712432).

Almost surely, 2^770240247 is an apocalyptic number.

770240247 is a deficient number, since it is larger than the sum of its proper divisors (403459209).

770240247 is a wasteful number, since it uses less digits than its factorization.

770240247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36678117.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 770240247 is about 27753.2024638599. The cubic root of 770240247 is about 916.6609611252.

The spelling of 770240247 in words is "seven hundred seventy million, two hundred forty thousand, two hundred forty-seven".