706257772 has 24 divisors (see below), whose sum is σ = 1366786512. Its totient is φ = 316627200.

The previous prime is 706257743. The next prime is 706257781. The reversal of 706257772 is 277752607.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 106729 + ... + 113152.

It is an arithmetic number, because the mean of its divisors is an integer number (56949438).

Almost surely, 2^706257772 is an apocalyptic number.

It is an amenable number.

706257772 is a deficient number, since it is larger than the sum of its proper divisors (660528740).

706257772 is a wasteful number, since it uses less digits than its factorization.

706257772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219969 (or 219967 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 43.

The square root of 706257772 is about 26575.5107570861. The cubic root of 706257772 is about 890.5420138244.

The spelling of 706257772 in words is "seven hundred six million, two hundred fifty-seven thousand, seven hundred seventy-two".