749815706 has 16 divisors (see below), whose sum is σ = 1164912840. Its totient is φ = 361542720.

The previous prime is 749815699. The next prime is 749815741. The reversal of 749815706 is 607518947.

749815706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 739350481 + 10465225 = 27191^2 + 3235^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43496 + ... + 58236.

Almost surely, 2^749815706 is an apocalyptic number.

749815706 is a deficient number, since it is larger than the sum of its proper divisors (415097134).

749815706 is a wasteful number, since it uses less digits than its factorization.

749815706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 749815706 is about 27382.7629358325. The cubic root of 749815706 is about 908.4858715591.

The spelling of 749815706 in words is "seven hundred forty-nine million, eight hundred fifteen thousand, seven hundred six".