705155250 has 64 divisors (see below), whose sum is σ = 1807708032. Its totient is φ = 182952000.

The previous prime is 705155249. The next prime is 705155251. The reversal of 705155250 is 52551507.

It is an interprime number because it is at equal distance from previous prime (705155249) and next prime (705155251).

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

It is not an unprimeable number, because it can be changed into a prime (705155251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15045 + ... + 40455.

It is an arithmetic number, because the mean of its divisors is an integer number (28245438).

Almost surely, 2^705155250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705155250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903854016).

705155250 is an abundant number, since it is smaller than the sum of its proper divisors (1102552782).

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

705155250 is a wasteful number, since it uses less digits than its factorization.

705155250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25468 (or 25458 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 705155250 is about 26554.7594604056. The cubic root of 705155250 is about 890.0783712495.

The spelling of 705155250 in words is "seven hundred five million, one hundred fifty-five thousand, two hundred fifty".