705622820 has 24 divisors (see below), whose sum is σ = 1693495104. Its totient is φ = 241927776.

The previous prime is 705622811. The next prime is 705622823. The reversal of 705622820 is 28226507.

It is not an unprimeable number, because it can be changed into a prime (705622823) 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, 2519942 + ... + 2520221.

It is an arithmetic number, because the mean of its divisors is an integer number (70562296).

Almost surely, 2^705622820 is an apocalyptic number.

705622820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

705622820 is an abundant number, since it is smaller than the sum of its proper divisors (987872284).

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

705622820 is a wasteful number, since it uses less digits than its factorization.

705622820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040179 (or 5040177 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 705622820 is about 26563.5618846570. The cubic root of 705622820 is about 890.2750570116.

The spelling of 705622820 in words is "seven hundred five million, six hundred twenty-two thousand, eight hundred twenty".