706457 has 4 divisors (see below), whose sum is σ = 721536. Its totient is φ = 691380.

The previous prime is 706427. The next prime is 706463. The reversal of 706457 is 754607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 706457 - 2⁸ = 706201 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706457.

It is not an unprimeable number, because it can be changed into a prime (706417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7469 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (180384).

2⁷⁰⁶⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

706457 is a deficient number, since it is larger than the sum of its proper divisors (15079).

706457 is a wasteful number, since it uses less digits than its factorization.

706457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15078.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 706457 is about 840.5099642479. The cubic root of 706457 is about 89.0625743510.

It can be divided in two parts, 70645 and 7, that multiplied together give a triangular number (494515 = T₉₉₄).

The spelling of 706457 in words is "seven hundred six thousand, four hundred fifty-seven".