706149743 has 4 divisors (see below), whose sum is σ = 760468968. Its totient is φ = 651830520.

The previous prime is 706149727. The next prime is 706149779. The reversal of 706149743 is 347941607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347941607 = 13 ⋅26764739.

It is a cyclic number.

It is not a de Polignac number, because 706149743 - 2⁴ = 706149727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706149743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706148743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27159593 + ... + 27159618.

It is an arithmetic number, because the mean of its divisors is an integer number (190117242).

Almost surely, 2^706149743 is an apocalyptic number.

706149743 is a deficient number, since it is larger than the sum of its proper divisors (54319225).

706149743 is a wasteful number, since it uses less digits than its factorization.

706149743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54319224.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 706149743 is about 26573.4781878474. The cubic root of 706149743 is about 890.4966058196.

The spelling of 706149743 in words is "seven hundred six million, one hundred forty-nine thousand, seven hundred forty-three".