706128330 has 16 divisors (see below), whose sum is σ = 1694708064. Its totient is φ = 188300880.

The previous prime is 706128301. The next prime is 706128373. The reversal of 706128330 is 33821607.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 23537611 = 706128330 / (7 + 0 + 6 + 1 + 2 + 8 + 3 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11768776 + ... + 11768835.

It is an arithmetic number, because the mean of its divisors is an integer number (105919254).

Almost surely, 2^706128330 is an apocalyptic number.

706128330 is an abundant number, since it is smaller than the sum of its proper divisors (988579734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706128330 is a wasteful number, since it uses less digits than its factorization.

706128330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537621.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 706128330 is about 26573.0752830755. The cubic root of 706128330 is about 890.4876047087.

Adding to 706128330 its reverse (33821607), we get a palindrome (739949937).

The spelling of 706128330 in words is "seven hundred six million, one hundred twenty-eight thousand, three hundred thirty".