706257072 has 30 divisors (see below), whose sum is σ = 1976539292. Its totient is φ = 235418976.

The previous prime is 706257047. The next prime is 706257089. The reversal of 706257072 is 270752607.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2452138 + ... + 2452425.

Almost surely, 2^706257072 is an apocalyptic number.

706257072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

706257072 is an abundant number, since it is smaller than the sum of its proper divisors (1270282220).

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

706257072 is a wasteful number, since it uses less digits than its factorization.

706257072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904577 (or 4904568 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 706257072 is about 26575.4975870632. The cubic root of 706257072 is about 890.5417196072.

The spelling of 706257072 in words is "seven hundred six million, two hundred fifty-seven thousand, seventy-two".