85744726 has 4 divisors (see below), whose sum is σ = 128617092. Its totient is φ = 42872362.

The previous prime is 85744723. The next prime is 85744751. The reversal of 85744726 is 62744758.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85744721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21436180 + ... + 21436183.

It is an arithmetic number, because the mean of its divisors is an integer number (32154273).

Almost surely, 2^85744726 is an apocalyptic number.

85744726 is a deficient number, since it is larger than the sum of its proper divisors (42872366).

85744726 is a wasteful number, since it uses less digits than its factorization.

85744726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42872365.

The product of its digits is 376320, while the sum is 43.

The square root of 85744726 is about 9259.8448151143. The cubic root of 85744726 is about 440.9633267015.

The spelling of 85744726 in words is "eighty-five million, seven hundred forty-four thousand, seven hundred twenty-six".