705490086 has 32 divisors (see below), whose sum is σ = 1682661888. Its totient is φ = 192804480.

The previous prime is 705490061. The next prime is 705490087. The reversal of 705490086 is 680094507.

It is a super-2 number, since 2×705490086² = 995432522888574792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705490087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364195 + ... + 366126.

It is an arithmetic number, because the mean of its divisors is an integer number (52583184).

Almost surely, 2^705490086 is an apocalyptic number.

705490086 is an abundant number, since it is smaller than the sum of its proper divisors (977171802).

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

705490086 is a wasteful number, since it uses less digits than its factorization.

705490086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730356.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 705490086 is about 26561.0633446781. The cubic root of 705490086 is about 890.2192305954.

The spelling of 705490086 in words is "seven hundred five million, four hundred ninety thousand, eighty-six".