706490 has 32 divisors (see below), whose sum is σ = 1368576. Its totient is φ = 262080.

The previous prime is 706487. The next prime is 706499. The reversal of 706490 is 94607.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (706499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13304 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2⁷⁰⁶⁴⁹⁰ is an apocalyptic number.

706490 is a deficient number, since it is larger than the sum of its proper divisors (662086).

706490 is a wasteful number, since it uses less digits than its factorization.

706490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 706490 is about 840.5295949578. The cubic root of 706490 is about 89.0639610923.

The spelling of 706490 in words is "seven hundred six thousand, four hundred ninety".