705921372 has 192 divisors, whose sum is σ = 2059223040. Its totient is φ = 207712512.

The previous prime is 705921361. The next prime is 705921401. The reversal of 705921372 is 273129507.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5558373 + ... + 5558499.

It is an arithmetic number, because the mean of its divisors is an integer number (10725120).

Almost surely, 2^705921372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705921372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029611520).

705921372 is an abundant number, since it is smaller than the sum of its proper divisors (1353301668).

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

705921372 is a wasteful number, since it uses less digits than its factorization.

705921372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 705921372 is about 26569.1808680659. The cubic root of 705921372 is about 890.4005990217.

The spelling of 705921372 in words is "seven hundred five million, nine hundred twenty-one thousand, three hundred seventy-two".