85740542 has 8 divisors (see below), whose sum is σ = 128771832. Its totient is φ = 42816600.

The previous prime is 85740497. The next prime is 85740547. The reversal of 85740542 is 24504758.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85740547) 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, 24809 + ... + 28052.

It is an arithmetic number, because the mean of its divisors is an integer number (16096479).

Almost surely, 2^85740542 is an apocalyptic number.

85740542 is a deficient number, since it is larger than the sum of its proper divisors (43031290).

85740542 is a wasteful number, since it uses less digits than its factorization.

85740542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53674.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 85740542 is about 9259.6188906456. The cubic root of 85740542 is about 440.9561541687.

The spelling of 85740542 in words is "eighty-five million, seven hundred forty thousand, five hundred forty-two".