85704743 has 4 divisors (see below), whose sum is σ = 85732968. Its totient is φ = 85676520.

The previous prime is 85704733. The next prime is 85704761. The reversal of 85704743 is 34740758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85704743 - 2⁴ = 85704727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85704697 and 85704706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85704713) 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, 8921 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (21433242).

Almost surely, 2^85704743 is an apocalyptic number.

85704743 is a deficient number, since it is larger than the sum of its proper divisors (28225).

85704743 is a wasteful number, since it uses less digits than its factorization.

85704743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28224.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 85704743 is about 9257.6856179069. The cubic root of 85704743 is about 440.8947752438.

The spelling of 85704743 in words is "eighty-five million, seven hundred four thousand, seven hundred forty-three".