705016830 has 32 divisors (see below), whose sum is σ = 1933761024. Its totient is φ = 161146656.

The previous prime is 705016801. The next prime is 705016847. The reversal of 705016830 is 38610507.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678402 + ... + 1678821.

It is an arithmetic number, because the mean of its divisors is an integer number (60430032).

Almost surely, 2^705016830 is an apocalyptic number.

705016830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

705016830 is an abundant number, since it is smaller than the sum of its proper divisors (1228744194).

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

705016830 is a wasteful number, since it uses less digits than its factorization.

705016830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357240.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 705016830 is about 26552.1530200472. The cubic root of 705016830 is about 890.0201274748.

The spelling of 705016830 in words is "seven hundred five million, sixteen thousand, eight hundred thirty".