85750642 has 8 divisors (see below), whose sum is σ = 128947932. Its totient is φ = 42768000.

The previous prime is 85750631. The next prime is 85750649. The reversal of 85750642 is 24605758.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56385081 + 29365561 = 7509^2 + 5419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85750649) 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, 52659 + ... + 54262.

Almost surely, 2^85750642 is an apocalyptic number.

85750642 is a deficient number, since it is larger than the sum of its proper divisors (43197290).

85750642 is a wasteful number, since it uses less digits than its factorization.

85750642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107324.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 85750642 is about 9260.1642534029. The cubic root of 85750642 is about 440.9734679629.

The spelling of 85750642 in words is "eighty-five million, seven hundred fifty thousand, six hundred forty-two".