705666030 has 32 divisors (see below), whose sum is σ = 1694297088. Its totient is φ = 188100000.

The previous prime is 705666011. The next prime is 705666053. The reversal of 705666030 is 30666507.

It is a junction number, because it is equal to n+sod(n) for n = 705665982 and 705666000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140055 + ... + 145005.

It is an arithmetic number, because the mean of its divisors is an integer number (52946784).

Almost surely, 2^705666030 is an apocalyptic number.

705666030 is an abundant number, since it is smaller than the sum of its proper divisors (988631058).

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

705666030 is a wasteful number, since it uses less digits than its factorization.

705666030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 705666030 is about 26564.3752043973. The cubic root of 705666030 is about 890.2932291374.

The spelling of 705666030 in words is "seven hundred five million, six hundred sixty-six thousand, thirty".