85749706 has 24 divisors (see below), whose sum is σ = 149945796. Its totient is φ = 36671040.

The previous prime is 85749691. The next prime is 85749721. The reversal of 85749706 is 60794758.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85749691) and next prime (85749721).

It can be written as a sum of positive squares in 2 ways, for example, as 78411025 + 7338681 = 8855^2 + 2709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83476 + ... + 84496.

Almost surely, 2^85749706 is an apocalyptic number.

85749706 is a deficient number, since it is larger than the sum of its proper divisors (64196090).

85749706 is a wasteful number, since it uses less digits than its factorization.

85749706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 85749706 is about 9260.1137142046. The cubic root of 85749706 is about 440.9718634942.

The spelling of 85749706 in words is "eighty-five million, seven hundred forty-nine thousand, seven hundred six".