704495749 has 4 divisors (see below), whose sum is σ = 704549664. Its totient is φ = 704441836.

The previous prime is 704495747. The next prime is 704495777. The reversal of 704495749 is 947594407.

704495749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 947594407 = 241 ⋅3931927.

It is a cyclic number.

It is not a de Polignac number, because 704495749 - 2¹ = 704495747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704495747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6414 + ... + 38080.

It is an arithmetic number, because the mean of its divisors is an integer number (176137416).

Almost surely, 2^704495749 is an apocalyptic number.

It is an amenable number.

704495749 is a deficient number, since it is larger than the sum of its proper divisors (53915).

704495749 is a wasteful number, since it uses less digits than its factorization.

704495749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53914.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 704495749 is about 26542.3388004901. The cubic root of 704495749 is about 889.8008008507.

The spelling of 704495749 in words is "seven hundred four million, four hundred ninety-five thousand, seven hundred forty-nine".