705451020 has 48 divisors (see below), whose sum is σ = 1985222400. Its totient is φ = 187171776.

The previous prime is 705451007. The next prime is 705451037. The reversal of 705451020 is 20154507.

It is a super-2 number, since 2×705451020² = 995322283238080800, which contains 22 as substring.

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, 17602 + ... + 41481.

It is an arithmetic number, because the mean of its divisors is an integer number (41358800).

Almost surely, 2^705451020 is an apocalyptic number.

It is an amenable number.

705451020 is an abundant number, since it is smaller than the sum of its proper divisors (1279771380).

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

705451020 is a wasteful number, since it uses less digits than its factorization.

705451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59294 (or 59292 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 705451020 is about 26560.3279347225. The cubic root of 705451020 is about 890.2027985448.

It can be divided in two parts, 705 and 451020, that added together give a triangular number (451725 = T₉₅₀).

The spelling of 705451020 in words is "seven hundred five million, four hundred fifty-one thousand, twenty".